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N90DDE Server User manual

1. Excellence in Process Control N90DDE Server for Bailey Command Series NETWORK 90 INFI 90 NETWORK 90 and INFI 90 are registered trademarks of ABB Formerly Bailey Controls Company RoviSys N90DDE Server Table of Contents QUE Ia nore Ui e yn nen er 4 O 4 3 Functonal DescrDplIoD ues c Ere e e On s 5 a Misit I 6 SEAS M mm T 5 1 Executing the N9ODDE Server Program 7 5 2 Defining Operational Parameters 8 5 3 Setting COM Port Communication Characteristics 12 ox TOPICS u uyu uuu unpu M 14 5 5 Defining Engineering Units seseris aae r 17 5 6 Defining Time Synchronization ccccccceccseecsseceeeceeeceeeeueceeeceeeseeeeeesaues 18 5 7 Defining Sequence of Events 21 6 NSODDE Server Startup 24 6 1 Environment Identification 24 6 2 Restarting Interface 24 6 3 Database Establishment 24 O
2. e HEP 25 RUNTIME EM OF Fianaltig u a 26 Data FIOW y u E deae 26 f TTOGGSS Data NEMS uuu Rear ea Ft Pn pa paca p 27 OOD m 35 LA ANAO Outputs LOOD AOL u uu u R 37 7 3 Data Acquisition Analog DAANG 38 4 Device Driver DD uu uuu uuu 40 7202 Didtakinp ut OOD D Mcr 42 Digtal output de ea dale damit t arbo Rea lea pa i aa 44 T NOd le SlaltiseeMODSIATP u X uuu u u u Llulu Susu 44 7 8 Multi State Device Driver MSDD 47 f Pol Analog Output POLLAD u uu epic EAR NTESIRI 49 7 10 Poll Digital Output POLLD O UN Ere uu 51 7 11 Remote Control Memory RCM o3 7 12 Remote Motor Control RMC a 55 7 13 Remote Manual Set Constant RMSC 57 7 14 Sequence of Events SQE morrei araneae ANAA EOE ANAN 59 15 19 SDECIICAUOW OPE C uuu r an re Pa RD a ui AME 65 f 16 SlaliSICS Vd pm 66 LA icu yu 69 reus EE usciti 74 8 Block Configurati
3. 1994 2001 The RoviSys Company Document Revision 9 2 Page 37 RoviSys N90DDE Server 7 3 Data Acquisition Analog DAANG The DAANG item point type is used to retrieve and control the exception reported output from N90 Data Acquisition Analog blocks function code 177 Name DAANG Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC ALMLEVEL alarm level integer read 0 level one 2 level two 3 level three ALMSTATE alarm state integer read 0 none 1 low alarm 2 high alarm 3 low amp high alarm CALC calculated value 0 no 1 yes discrete read DDEVALM deviation alarm state integer read 0 none 1 low 2 high DEVALMLIM deviation alarm limit real read EUNUM engineering unit number integer read EUTEXT engineering unit text message message read HARDFAIL hardware failure bad quality input 0 no 1 discrete read yes HIALMLIM high alarm limit real read LIMIT value limited 0 no 1 yes discrete read LOALMLIM low alarm limit real read MODE mode integer read write 0 manual 1 auto input 2 auto calculated input 3 suppress alarms 4 unsuppress alarms 5 off scan 6 on scan NEXTHI next high alarm limit real read NEXTLO next low alarm limit real read OUTRANGE out of range flag 0 no 1 yes discrete read quality 0 good 1 bad
4. 1 Help DDE Server Operational Parameters Comm Port Configuration Topic Definition Engineering Units Sequence of Everts Time Synchronization Exvalenve m Process Comal Type ALT D or single click on DDE Server Operational Parameters to configure overall server performance associated with DDE data exchange Type ALT C or single click on Comm Port Configuration to configure server COM port communication characteristics Type ALT T or single click on Topic Definition to configure server topic names and associated data Type ALT E or single click on Engineering Units to configure server engineering unit names Type ALT S or single click on Sequence of Events Server to configure SOE capture file storage directories and SOE point names Type ALT or single click on Time Synchronization to enable disable server time synchronization of N90 and setup node maps for N90 systems based on the Plantloop communication system Defining Operational Parameters The DDE Server Operational Parameters sub menu selection allows definition of N9ODDE server operational parameters However the defaults settings for these parameters provide good performance and in most cases modifications are not required Nevertheless they can be changed to fine tune the server for a specific environment and therefore upon its selection it displays the following dialog 1994 2001 The RoviSys Company Document Revision 9 2 Page 8 RoviSys N90
5. BYTE1 value of module status byte number 1 integer 2 value of module status byte number 2 integer BYTES value of module status byte number 3 integer BYTEA value of module status byte number 4 integer BYTES value of module status byte number 5 integer ERRORS error summary 0 none 1 one or more discrete module runtime errors exists quality 0 good 1 bad discrete STATE current module operating state execute message configure error TIME time expressed as seconds since 1 1 1970 of integer last point value update time month day year hour minute second of message last point value update UPDATES running count of updates received for this point integer module type ex AMM message Example usage s are MODSTAT BYTE3 2 3 4 Reads the 3rd module status byte for the module at N90 address ring 2 node 3 module 4 to a DDE integer tag MODSTAT BYTE4 2 3 4 Reads the 4th module status byte for the module at N90 address ring 2 node 3 module 4 to a DDE integer tag MODSTAT BYTE5 2 3 4 1994 2001 The RoviSys Company Document Revision 9 2 Page 45 RoviSys N90DDE Server Reads the 5th module status byte for the module at N90 address ring 2 node 3 module 4 to a DDE integer tag MODSTAT ERRORS 2 3 4 Reads the error summary status bit for the module at N90 address ring 2 node 3 module 4 to a DDE discrete tag MODSTAT STATE 2 3 4 Reads the module oper
6. Cancel Button Click on this button to cancel time synchronization selections When the Network 90 check box is selected the following node map definition dialog is displayed 1994 2001 The RoviSys Company Document Revision 9 2 Page 19 RoviSys N90DDE Server Node Map Definition 1 7 X Topic NSODDE Type C Vacanl C 1 4k Tag DILI Made cug C Other Cancel Topic Displays currently selected topic for which you are defining the node map Node Displays list box of all possible node addresses within a Network 90 system Upon initial entry each node address is defaulted to Vacant For each node address the actual type must be selected Vacant Radio Button Indicates that this node address is vacant unused 1994 2001 The RoviSys Company Document Revision 9 2 Page 20 RoviSys N90DDE Server 1 4k Tag OIU Radio Button Defines selected node as a 1 4k Tag OIU Do not confuse this type with the 5000 Tag OIU which is classified under the Other radio selection PCU Radio Button Defines selected node as a PCU Process Control Unit CIUO1 Radio Button Defines selected node as a CIUO1 Computer Interface 01 Do not confuse this type with the other types of CIUs CIUO2 03 04 etc which are classified under the Other radio selection Other Radio Button Use this selection for all other node types not covered by the previous radio selections This includes 5000 tag OIUs
7. SETUP EXE program by double clicking on its icon from within file manager or explorer Two versions of N9ODDE Server are installed The first is developed with the Wonderware DDE toolkit which supports Wonderware Suitelink and fast DDE It is installed the N90DDEWW directory This version should be used with Wonderware InTouch versions 6 x and higher or other non MMI DDE clients The other version is developed with the Rockwell Software DDE toolkit which supports Rockwell Advanced DDE and Wonderware fast DDE It is installed in the N9ODDE RS directory This version should be used with Rockwell Software RSView32 or other DDE clients Setup will install a few sample files such as Bailey TXTEWS module configuration files and Excel spreadsheets A Bailey TXTEWS configuration file called 10103 CFG corresponds with the Excel files DATATYPE XLS and BLOCK XLS stored in the samples directory The Excel spreadsheet file DATATYPE XLS is used by RoviSys to validate all data items and subscripts supported by the N9ODDE server The Excel spreadsheet file BLOCK XLS is a subset of DATATYPE XLS which only contains DDE links related to reading and tuning N90 configurations These files provide a good test example to show item syntax and validate communication with the Bailey system These sample Excel version 7 0 files reference a MFC or MFP residing at Ring 1 Node 1 and Module 3 a N90DDE server topic named N90DDE and assumes the Bailey
8. V All Digital Block Outputs Digital No ALM FB Q SETPERM Remote Control Memory 62 Yes UPDATES VTEXT RMC ALM ERRCODE F1 F2 FLT FLTACK Remote Motor Control 136 Yes 1 PERM2 Q SBAD SHOLD TIME TIMETEXT TYPE UPDATES VTEXT RMSC EUNUM EUTEXT HILIM LOLIM Q Remote Manual Set 68 Yes SPTRACK TIME TIMETEXT UPDATES Constant COUNT EVENT FILE NEXTFILE Sequence of Events 99 No NEXTREC OFLOW PNTALM PNTDATE PNTNAME PNTNUM PNTQ PNTSCAN PNTTYPE PNTV Q RECORD TIME TIMETEXT UPDATES TYPEBLK 1994 2001 The RoviSys Company Document Revision 9 2 Page 31 RoviSys N90DDE Server STATS COMM DDERATE LOCK MSGRATE No ONLINE POLLONLY POLLRATE SYNCRING SYNCNODE TAGS THISRING THISNODE TOTALDDE JOTALMSG TOTALPOLL TOTALXRP VERSION XRPRATE STN AOBYPASS CO COTRACK Control Station 21 23 80 Yes CPU DEVALMLIM DSBAD EUNUM EUTEXT HIALM HIALMLIM HIDEV K KD KDIR KDLAG KFC KI KHILIM KIONLY KLOLIM KP KPIDBLK KTUNE KTYPE LEVEL LOALM LOALMLIM LODEV MODE MODELOCK PV Q RI SP SPAN SPTRACK TIME TIMETEXT TYPE UPDATES ZEROPV ZEROSP TEXT BLINK COLOR Q TIMETEXT Text Selector 151 No UPDATES V 1994 2001 The RoviSys Company Document Revision 9 2 Page 32 RoviSys N90DDE Server The following table is an overview of each
9. function code specification number for the proportional term Integral Defines the N90DDE Server item used to read tune the PID function code specification number for the integral term Derivative Defines the N90DDE Server item used to read tune the PID function code specification number for the derivative term Mode Defines the N90DDE Server item used to read write the Station function code mode Auto Mode Defines the value to be written which corresponds with the Auto mode always 1 Manual Mode Defines the value to be written which corresponds with the Manual mode always 0 Note that ExperTune does not automatically run the N90DDE Server application Therefore make sure N9ODDE Server is running prior to accessing the ExperTune faceplate screen available from the ExperTune main screen 1994 2001 The RoviSys Company Document Revision 9 2 Page 85 RoviSys N90DDE Server 12 Using N90DDE Server With InTouch This section presents information related to using N9ODDE Server with Wonderware ooftware Corporation s InTouch third party man machine interface software It assumes InTouch has already been installed on the target machine along with the version of N90DDE Server developed with the Wonderware DDE Server toolkit Note that the screen snapshots presented in this section were taken from Wonderware Version 5 x The configuration principles remain the same for the Factory Suite 2000 series software 12 1 Definition of N90DDE Serve
10. last point value update faceplate type code UPDATES running count of updates received for this point TRV travel indicator 0 no 1 yes value 1st block output VTEXT value as text defined at point creation HMETEXT message read integer read integer read discrete read discrete read message read Example usage s are MSDD RS 2 3 4 110 Reads writes N90 MSDD requested state at ring 2 node 3 module 4 block 110 to from a DDE integer tag MSDD RSTEXT 2 3 4 110 default state1 state2 state3 Reads writes N90 MSDD requested state at ring 2 node 3 module 4 block 110 to from a DDE message tag The N90 MSDD requested states of zero one two and three will return the respective messages default state1 state2 and 1994 2001 The RoviSys Company Document Revision 9 2 Page 47 RoviSys N90DDE Server state3 These state messages can also be written to request a new MSDD state or text messages of 0 1 2 or 3 MSDD GS 2 3 4 110 Reads N90 MSDD good state at ring 2 node 3 module 4 block 110 into a DDE integer tag MSDD GSTEXT 2 3 4 110 Off Slow Medium Fast Reads N90 MSDD good state at ring 2 node 3 module 4 block 110 into a DDE message tag The N90 MSDD good states of zero one two and three will return the respective messages Off Slow Medium and Fast MSDD TRV 2 3 4 110 Reads N90 MSDD travel indicator at ring 2 node 3 module 4 block 110 into a D
11. HILIM 2 1 4 75 Reads N90 RMSC high limit at ring 2 node 1 module 4 block 75 into a DDE real tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 57 RoviSys N90DDE Server RMSC LOLIM 2 1 4 75 Reads N90 RMSC low alarm limit at ring 2 node 1 module 4 block 75 into a DDE real tag RMSC EUNUM 2 1 4 75 Reads engineering unit number assigned to N90 RMSC at ring 2 node 1 module 4 block 75 into a DDE integer tag RMSC EUTEXT 2 1 4 75 Reads engineering unit number assigned to N90 RMSC ring 2 node 1 module 4 block 75 and converts it to a text message defined by user within N9ODDE engineering units setup dialog written to a DDE message tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 58 RoviSys N90DDE Server 7 14 Sequence of Events SOE The SOE item point type is used to retrieve sequence of event recorder logs from the exception reported N90 Sequence of Events Log blocks function code 99 Name SOE Restrictions This item cannot be utilized when the N90 interface type is a serial port module SPM or command interface controller CIC Subscripts DDE Type COUNT EVENT FILE NEXTFILE NEXTREC OFLOW PNTALM PNTDATE PNTNAME PNTNUM PNTQ PNTSCAN PNTTIME PNT TYPE PNTV Q RECORD TIME HMETEXT TYPEBLK UPDATES 1994 2001 The RoviSys Company Total points logged to the currently selected SOE capture file oignals that a SOE event
12. L value at ring 1 node 2 module 3 block 50 into a DDE real tag AIL Q 1 2 3 50 Reads N90 AO L quality at ring 1 node 2 module 3 block 50 into a DDE discrete tag AIL ZERO 1 2 3 50 Reads zero setting for N90 AO L at ring 1 node 2 module 3 block 50 into a DDE real tag AIL SPAN 1 2 3 50 Reads span setting for N90 AO L at ring 1 node 2 module 3 block 50 into a DDE real tag AIL HIALMLIM 1 2 3 50 Reads N90 AO L high alarm limit at ring 1 node 2 module 3 block 50 into a DDE real tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 35 RoviSys N90DDE Server AIL HIALM 1 2 3 50 Reads N90 AO L high alarm indicator at ring 1 node 2 module 3 block 50 into a DDE discrete tag AIL LOALMLIM 1 2 3 50 Reads N90 AO L low alarm limit at ring 1 node 2 module 3 block 50 into a DDE real tag AIL LOALM 1 2 3 50 Reads N90 AO L low alarm indicator at ring 1 node 2 module 3 block 50 into a DDE discrete tag AIL EUNUM 1 2 3 50 Reads engineering unit number assigned to N90 AO L at ring 1 node 2 module 3 block 50 into a DDE integer tag AIL EUTEXT 1 2 3 50 Reads engineering unit number assigned to N90 AO L at ring 1 node 2 module 3 block 50 and converts it to a text message defined by user within N9ODDE engineering units setup dialog written to a DDE message tag AIL V 2 249 31 9998 Reads AO L value at ring 2 node 249 module 31 block 9998 into a DDE real tag AIL TIME 2 249 31 9998 Returns
13. N90 addresses defined within the MMI tag name items allowed to be downloaded to the Bailey computer interface device as points For example a 128 tag InTouch system interfaced to a Bailey INICIO1 interface which supports 10 000 points limits the data exchange to 128 tags Whereas an unlimited tag version of InTouch interfaced to this same device has a tag limit that exceeds 10 000 This is due to the fact that each point within the N90 interface has multiple pieces of information made available within InTouch as individual tag name items An example of this concept is the N90 control station The data associated with a control station is a single point within the N90 interface device Available data associated with this single point is process variable set point control output and mode To access this data within the MMI four tags and there corresponding STN items with unique PV SP CO MODE subscripts would be defined all specifying the same N90 address which translates to a single point within the N90 interface 1994 2001 The RoviSys Company Document Revision 9 2 Page 5 RoviSys N90DDE Server 4 Installation Attach the N9ODDE protection key to the LPT1 port This key is intended to be connected in series with any other third party MMI protection key Demo versions of N9O0DDE are not provided with this key N9O0DDE Server software is comprised of three disks To install N9ODDE insert disk one into the floppy drive and run the
14. NETWORK 90 INFI 90 or COMMAND SERIES computer interface device and its ability to handle the N90DDE Server process data items NSPMO01 NCICO1 NCIUO1 NCIUO2 INPCIO1 INICIO1 IMSPMO1 NCIUOS INPCIO2 INICIO3 IMCPMO2 NCIUOA INICI12 DD DIL DOL MODSTAT MSDD POLLAO POLLDO RCM RMC RMSC SOE SPEC STATS STN Time Sync TEXT When using these interfaces the ABB Bailey semAPI software environment is not required Note that the INICI12 and INICIO3 only support communication on the ABB Bailey termination unit or termination module port labeled terminal Currently the INICIO3 SCSI connection is not supported 1994 2001 The RoviSys Company Document Revision 9 2 Page 33 RoviSys N90DDE Server INICIO3 sites containing INICTO3A firmware revision F require the ABB Bailey semAPI dongle to be installed on the printer port of the NTMPO1 termination unit The dongle is not required for firmware revisions prior to revision F nor revisions G or later Please note that N9ODDE will continue to operate when revision F firmware is detected and the dongle is missing After 70 hours of continuous operation ABB Bailey has designed the INICIO3 to lock out all communication until the dongle is installed and the interface physically reset N90DDE will attempt to automatically restart the INICIO3 every 68 hours to avoid the lock out condition The recommended mode of operation for sites utilizing an INICIO
15. RoviSys Company Document Revision 9 2 Page 51 RoviSys N90DDE Server POLLDO VTEXT 2 249 31 9996 Ok Tripped Reads N90 function block output value at ring 2 node 249 module 31 block 9996 into a DDE message tag When the N90 block output value is zero the message will be returned when one Tripped will be returned POLLDO TIME 2 249 31 9996 Returns the time expressed as seconds since 1 1 1970 of last update received from block output at ring 2 node 249 module 31 block 9996 into a DDE integer tag POLLDO TIMETEXT 2 249 31 9996 Returns the time expressed as a text message like Mon Oct 26 08 00 00 1998 of last update received from block output at ring 2 node 249 module 31 block 9996 into a DDE message tag POLLDO UPDATES 2 249 31 9996 Returns a running count of the total updates received from an block output at ring 2 node 249 module 31 block 9996 into a DDE integer tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 52 RoviSys N90DDE Server 7 11 Remote Control Memory RCM The RCM item point type is used to retrieve and control the exception reported output from N90 Remote Control Memory blocks function code 62 Name RCM Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC ALM alarm 0 none 1 alarm discrete read feedback 0 off 1 on discrete r
16. a CIC Subscripts DDE Type ALM alarm 0 none 1 alarm discrete ERRCODE error code for fault or bad start condition integer 0 no error 1 stop input 2 interlock 1 input 3 interlock 2 input 4 interlock 3 input 5 interlock 4 input 6 feedback 1 input is O 7 feedback 2 input is 0 8 feedback 1 input is 1 9 feedback 1 input is 1 feedback 1 0 off 1 on discrete read feedback 2 0 off 1 on discrete read FLT a fault has occurred 0 no 1 yes discrete read FLTACK set to 1 to acknowledge a fault or bad start and discrete read write module will reset to O after acknowledgment is accepted PERM1 start permissive 1 0 no 1 yes discrete read PERM2 start permissive 2 0 no 1 yes discrete read SBAD bad start 0 no 1 yes discrete read SHOLD status on hold 0 no 1 yes discrete read Q quality 0 good 1 bad discrete read TIME time expressed as seconds since 1 1 1970 of integer read last point value update TIMETEXT time month day year hour minute second of message read last point value update faceplate type code integer read UPDATES running count of updates received for this point integer read value 0 stop 1 start discrete read write VTEXT value as text defined at point creation message read write Example usage s are RMC ALM 5 6 7 80 Reads N90 RMC alarm bit at ring 5 node 6 module 7 block 80 into a DDE discrete t
17. a different directory It is a good practice to organize each application in a separate application directory which will also contain the server configuration file Protocol Timer Tick is the frequency in milliseconds at which the server checks for work to do and should be evenly divisible into the poll update interval and exception update interval defined for each topic 1994 2001 The RoviSys Company Document Revision 9 2 Page 9 RoviSys N90DDE Server Time limit for data to be read from device is a spare parameter that currently has no functionality within the N90DDE Server Internal DDE Timer Tick is the frequency in milliseconds in which the server performs various internal timing functions associated with error reporting DDE Block Size is the size in which data is packed when communicating to the MMI This field is used to adjust this block size but has no effect on the operation of the server with other non MMI DDE clients Station Computer Level Computer OK Timer is the amount of time between sending Computer OK messages to STN MODE DDE tags which have been commanded to the computer level This parameter should be set to one half of the smallest Bailey station block computer watchdog time period FC 80 S31 or FC 53 S7 used for computer level control Most users do not use computer level control and can ignore this setting Block Specification Background Read Timer is the amount of ti
18. automatically be tuned by writing to this tag SPEC S6 1 2 3 40 Reads writes N90 specification number 6 located at ring 1 node 2 module 3 block 40 into a DDE real tag If the referenced specification is tunable it will automatically be tuned by writing to this tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 65 RoviSys N90DDE Server 7 16 Statistics STATS The STATS item point type is used to retrieve N9ODDE server operational statistics Its intent is to provide server operational data such as data exchange rates and other miscellaneous counters Name STATS Subscripts DDE Type COMM communication 0 good 1 bad discrete read ONLINE interface is determined and on line 0 no 1 discrete read yes POLLONLY interface type only supports polling or NSODDE discrete read Server license is poll only 0 no 1 yes DDERATE DDE messages per second integer read LOCK Operator write lock flag discrete read write 0 Unlocked 1 locked MSGRATE interface messages per second integer read POLLRATE interface polling messages per second integer read XRPRATE exception reports per second exchanged with integer read interface total tags established with the server integer read SYNCRING ring number of current N90 drop that is the integer read current time sync master SYNCNODE node number of current N90 drop that is the integer read current time sync master THISRING N90 interface ring numb
19. but with different point types In this case the duplicated N90 block number is rejected by the N90 interface and will not receive data values Like the first category these errors are posted in the WWLogger message window along with the tag name application topic item and N90 index assigned by the server 6 6 Data Flow Enabling To activate exception report data flow a CONNECT message must be sent for each point established in the N90 interface database All N90 interfaces except the NSPMO1 NCIUO1 IMSPMO 1 allow the interface to be restarted and remain off line until commanded on line For these N90 interfaces the database download can occur considerably faster than when restarted on line Under this condition the last activity of startup is to command the N90 interface on line utilizing the CIU ONLINE OFFLINE command 1994 2001 The RoviSys Company Document Revision 9 2 Page 26 RoviSys N90DDE Server 7 Process Data ltems N9O0DDE server process data items map the MMI DDE tag types to specific N90 point types Export point type items are those in which data values are being generated by the MMI and reported by exception to N90 by the server Supported point types are analog and digital with each having its own unique naming convention see respective sub section Import point types are those in which data values are being generated by N90 and reported by exception to the server or polled by the server The naming conv
20. button New Button Click on this button to define a new topic Modify Button Click on this button to bring up the topic definition dialog for the selected existing topic Delete Button Click on this button to delete the currently selected topic Cancel Button Click on this button to cancel topic definition OK Button Click on this button to accept current topic name selection and modify its topic definition 1994 2001 The RoviSys Company Document Revision 9 2 Page 14 RoviSys N90DDE Server When adding a new topic or modifying its existing definition the following dialog is displayed Topic Definition Application Name NSODDE Topic Name Poll Update Interval on Milli amp econds Exception Update Interval on Milliseconds Max outputs 100 AOL and DOL Items Watchdog 0 x 2 5 seconds COM Cancel I ms Comm Port Application Name is always fixed at N9ODDE Topic Name is a topic name such as N90DDE defined by this example Poll Update Interval frequency in milliseconds at which non exception report items POLLAO and POLLDO are read A rule of thumb formula for computing this setting is 1 800 000 x sum total POLLAO total POLLDO COM port baud rate Exception Update Interval frequency in milliseconds at which exception report items are read from the N90 interface device Settings in the range of 500 to 3000 milliseconds are common M
21. corresponds to the server item name and subscript which must be completed as part of the tag name definition For this example after clicking on DDE Real the following dialog will be displayed Dictionary Tagname Definition Details O Alarms Both None estore F T Tagname FI201 DDE Real 5ystem Read C Read Write EMEN Su Log Data Log Events Retentive Value Retentrve Parameters Initial Value 0 Min EU o Max EU 1000 Deadband Min Raw 0 Max Raw 1000 Eng Units lgal hr Conversion Linear DDE Access N3DDDE Square Root Item AIL 1 2 3 50 Use Tagname as Item Name 1994 2001 The RoviSys Company Document Revision 9 2 Page 89 RoviSys N90DDE Server Note that the data within this dialog has been completed to give an example of reading a DDE real point It will receive the value of a N90 Analog Output Loop Function Block F C 30 located at ring 1 node 2 module 3 block 50 This has been defined by the item name AIL subscript V value and addressing information 1 2 3 50 Note that the N9ODDE server exchanges data in engineering units Therefore InTouch conversion of raw data to engineering units must be disabled by always setting the Min EU and Min Raw values equal along with Max EU and Max Raw values equal Initial Value Value stored in the tag name when the runtime database is first loaded Deadband Amount a
22. day year hour minute second of message last point value update UPDATES running count of updates received for this point integer value requested message number integer Example usage s are TEXT V 1 2 3 50 Reads N90 TEXT message number value at ring 1 node 2 module 3 block 50 into a DDE integer tag TEXT BLINK 1 2 3 50 Reads N90 TEXT blink flag at ring 1 node 2 module 3 block 50 into a DDE discrete tag TEXT COLOR 1 2 3 50 Reads N90 TEXT color number at ring 1 node 2 module 3 block 50 into a DDE integer tag TEXT Q 1 2 3 50 Reads N90 TEXT quality at ring 1 node 2 module 3 block 50 into a DDE discrete tag TEXT V 2 4 31 9998 Reads TEXT message number value at ring 2 node 4 module 31block 9998 into a DDE integer tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 74 8 Block Configuration Data Item BLOCK RoviSys N90DDE Server The N90DDE server block configuration data item maps MMI DDE tags such that general purpose N90 block output value reading configuration reading and tuning is supported These tags allow any N90 function block output value to be read block specifications displayed and tuned Ring and node addresses must be set to zero when the N90 interface is a CIC The BLOCK data item supports the following value subscripts Subscripts ring address for targeted block activity node address for targeted block activity module address for targeted block activit
23. discrete read RATEALM rate alarm 0 no 1 yes discrete read SCAN scanning 0 on 1 off discrete read SPAN span of value real read SUPALM suppress alarms 0 no 1 yes discrete read TIME time expressed as seconds since 1 1 1970 of integer read last point value update JHMETEXT time month day year hour minute second message read of last point value update 1994 2001 The RoviSys Company Document Revision 9 2 Page 38 RoviSys N90DDE Server UPDATES running count of updates received for this point integer read value real read write VARALM variable alarms 0 no 1 yes discrete read ZERO zero value of value range real read mode is always read back as zero for manual and 1 for auto It is also used to command the other aspects ranges 2 6 which are reported back in their corresponding subscript tag For example commanding a mode of two will cause mode to report back as auto 1 and CALC to be yes 1 value should only be written when mode is manual Example usage s are DAANG V 11 13 14 100 Reads writes N90 DAANG value at ring 11 node 13 module 14 block 100 to from a DDE real tag DAANG Q 11 13 14 100 Reads N90 DAANG quality at ring 11 node 13 module 14 block 100 into a DDE discrete tag DAANG MODE 1 2 4 90 Reads writes N90 DAANG mode at ring 1 node 2 module 4 block 90 into a DDE integer tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 39 RoviSys N
24. established in the N90 interface Indices are allocated starting at the maximum number of outputs defined by the topic plus one and proceeds sequentially higher as each MMI tag name item is processed As the name implies the point type defines the type of exception report to be expected from the N90 block The following N90DDE server item name to N90 interface point type relationship exists 1994 2001 The RoviSys Company Document Revision 9 2 Page 24 RoviSys N90DDE Server N9O0DDE Server Direction of Data Flow N90 Item Name Interface Point Type AIL import 5 AOL export 12 DAANG import export 1 2 3 4 6 8 9 10 11 or 17 DD import export 15 DIL import T DOL export 13 MODSTAT import 14 23 MSDD import export 15 RCM import export 15 RMC import export 15 RMSC import export 19 SOE import export 15 STN import export 1 2 3 4 6 8 9 10 11 or 17 TEXT import 5 For the N90DDE server item DAANG and STN the actual N90 point types utilized depends on the type of N90 interface in use The N90 NCIUO 1 interface requires a separate index to be established for each daang and station value read and written whereas the other N90 interfaces support a single index to handle all the daang and station values 6 4 Addressing For N90 import points the ring node module and block field values are defined by the N9ODDE server item Valid N90 block numbers are dependent on the type of N90 communication system Systems based on Plant
25. not currently being exception reported Data is obtained for this item by polling Since N90 is optimized for exception reporting polling for N90 outputs will slightly lower the data throughput of other exception reported values being collected by the server However it will not interfere with exception report activity not directly associated with the server Usage of this item with the N90 interfaces that sit on the N90 communication loop should only add a minimal overhead to the PCU nodes from which data is being polled Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type HIALM high alarm indicator 0 no 1 yes discrete LOALM low alarm indicator 0 no 1 yes discrete quality 0 good 1 bad discrete TIME time expressed as seconds since integer 1 1 1970 of last point value update TIMETEXT time month day year hour minute message second of last point value update UPDATES running count of updates received for integer this point value real Example usage s are POLLAO V 1 2 3 50 Reads N90 function block output value at ring 1 node 2 module 3 block 50 into a DDE real tag POLLAO Q 1 2 3 50 Reads N90 function block output quality at ring 1 node 2 module 3 block 50 into a DDE discrete tag POLLAO V 2 249 31 9998 Reads N90 function block output value at ring 2 node 249 module 31 block 9998 into a DDE real tag 1994 2001 The RoviSys Co
26. read read read read read item based read read item based read Page 30 RoviSys N90DDE Server The following table gives an overview of the server item point types supported valueSubscript corresponding N90 block type N90 function code and whether or not the block is of the type that permits control pointType N90 Function m names supported subscript value N90 Block Type Code Control AIL EUNUM EUTEXT HIALM HIALMLIM Analog Output Loop 30 70 158 No LOALM LOALMLIM Q SPAN TIME UPDATES ZERO AOL Analog Input Loop 26 121 NO DAANG ALMLEVEL ALMSTATE CALC DEVALM Data Acquisition Analog 177 Yes DEVALMLIM EUNUM EUTEXT HARDFAIL HIALMLIM LIMIT LOALMLIM MODE NEXTHI NEXTLO OUTRANGE Q RATEALM SCAN SPAN SUPALM TIME HMETEXT UPDATES VARALM ZERO DD ALM F1 F2 FBAD MODE Device Driver 123 Yes OVRS Q TIME TIMETEXT TYPE UPDATES VTEXT DIL ALM ALMSTATE Q TIME TIMETEXT Digital Output Loop 45 No UPDATES V VTEXT DOL Digital Input Loop 42 122 NO MODSTAT BYTE1 2 BYTE3 BYTE4 BYTE5 No ERRORS Q STATE TIME TIMETEXT UPDATES TYPE MSDD ALM F1 F2 F3 F4 GS GSTEXT MODE Multi State Device Driver 129 Yes OVRC OVRS Q RS RSTEXT TIME TYPE UPDATES TRV V POLLAO LOALM HIALM Q TIME TIMETEXT All Analog Block Outputs All Analog No UPDATES V POLLDO Q TIME TIMETEXT UPDATES
27. receives even if they are identical to the last value reported Identical values are received as a result of the maximum report time transpiring Note that enabling this option will slightly reduce data throughput Always Leave Points Connected is used to request N90DDE to not send a disconnect point command to the Bailey interface for DDE points that are deactivated by the DDE Client Normally N9O0DDE connects points that are activated and disconnects them when they are deactivated This action increases effective throughput of the communication link since only active point data will be exchanged Cold link DDE clients typically activate send a point poll request and then deactivate the point This action can cause stale data to be returned since often the point poll request is received and processed before the point is connected and an updated exception report received Since this option leaves all points connected the cold link DDE client poll will return most current value Note that enabling this option will slightly reduce data throughput Initially Set Quality Items Good When First Created is used to request N9ODDE to set quality items Q good 0 when initially activated instead of defaulting to the bad condition 1 until the point is set up in the Bailey interface and a value received for it Start Automatically As a NT Service is used to enable N9ODDE to start automatically as a NT service This feature is only supported
28. reset 3 manual reset noninteracting LEVEL station control level 0 local 1 computer discrete read LOALM low pv alarm indicator 0 no 1 yes discrete read LOALMLIM low alarm limit real read write LODEV low deviation alarm indicator 0 no 1 yes discrete read 1994 2001 The RoviSys Company Document Revision 9 2 Page 69 MODE MODELOCK PV RI SP SPAN SPTRACK TIME TIMETEXT TYPETEXT UPDATES ZEROPV ZEROSP RoviSys N90DDE Server mode 0 local manual 3 computer manual 1 local auto 4 computer auto 2 localcascade 5 computer cascade locked into current mode 0 no 1 yes process variable quality 0 good 1 bad ratio index set point span of process variable and setpoint range set point tracking 0 no 1 yes time expressed as seconds since 1 1 1970 of last point value update time month day year hour minute second of last point value update faceplate type code faceplate type message running count of updates received for this point zero value of process variable range zero value of set point range Example usage s are STN PV 1 10 20 500 Reads N90 STN process value at ring 1 node 10 module 20 block 500 into a DDE real tag STN HIALMLIM 1 10 20 500 Reads N90 STN high alarm limit at ring 1 node 10 module 20 block 500 into a DDE real tag STN LOALMLIM 1 10 20 500 Reads N90 STN low alarm limit at ring 1 node 10 modul
29. server is designed to always operate as a server 1994 2001 The RoviSys Company Document Revision 9 2 Page 4 RoviSys N90DDE Server 3 Functional Description To exchange data with the N9ODDE server the client opens a channel to it by specifying two things The first is the server s application name which for the N9ODDE server is always N9ODDE The second is the topic name A topic name is one that the user defines using the N9ODDE server program Topic names are defined to represent a meaningful collection of data from the server For example ICICOM1 would describe data exchange with the Bailey Infi net to Computer Interface attached to the PC COM1 port Once a channel is opened using the application name and topic data exchange can begin for all items defined within the topic N9ODDE server items are pre defined names and subscripts associated with each type of N90 exception report Included as part of the item name is the address within N90 at which the exception report function block resides An example item might be STN PV 1 2 3 50 which specifies the process variable of a N90 control station located at ring 1 node 2 module 3 block 50 Application name topic and item are defined as part of third party man machine interface MMI tag names when DDE point types are selected The number of pieces of information tags that can be exchanged with the N9ODDE server is the lesser of the maximum number of allowable MMI tag names or unique
30. set the Bailey system time equal to the current PCs time With this option the server becomes the Bailey time sync master but will relinquish that role to any MCS or OIU present on the communication system if they take over the time sync mastership Time synchronization may not function correctly when Bailey OIS stations are present on the communication system If you observe erratic jumping of the PC clock and or Bailey OIS stations this option should be disable If multiple MMI N90DDE server nodes are present on the Bailey system one will become the time sync master and the others will have their PC clocks adjusted to the single master PC Gets Bailey System Time Check Box The server will set the PC time to the current Bailey system time With this option the server never becomes the Bailey time sync master but always forces the PC clock to match the Bailey system time Use DCS Timestamp This option is only supported for Infi 90 systems It causes the server to receive timestamps being generated by the Bailey system for each received exception reported value This option reduces exception report throughput since each value being received from the Bailey CIU has the time stamp appended to it Its purpose is intended for a limited number of applications that need more chronologically precise timestamp resolution to aid in a more exact sequence of event determination OK Button Click on this button to accept time synchronization selections
31. tag name expressed in engineering units not percent must change before the database is updated Min EU Minimum engineering units value of the tag name when the minimum or less raw count value is received Max EU Maximum engineering units value of the tag name when the maximum or greater raw count value is received Min Raw Minimum value of the low clamp on the DDE value For the N9ODDE server the Min Raw value must always be set equal to the Min EU value Max Raw Maximum value of the high clamp on the DDE value For the N9ODDE server the Max Raw value must always be set equal to the Max EU value Eng Units Optional engineering units label to be used for the tag name Conversion Not applicable to the N9ODDE server since raw to engineering units conversion must always be disabled DDE Access Name Button Used to define or select the DDE Access Name to be associated with the tag name The name that appears to the right of this button will be assigned to the tag Item Name of the N9ODDE server point type its subscript and address within N90 1994 2001 The RoviSys Company Document Revision 9 2 Page 90 RoviSys N90DDE Server 12 2 Configuration Reading and Tuning CRT Application The Configuration Reading and Tuning CRT InTouch application has been designed and developed by RoviSys Its purpose is to support reading and tuning of Bailey Controls function block control logic CRT supports all models of contr
32. the WWLogger messages for such an error 6 Memory capacity of N90 PCU node has been exceeded check its status using the Bailey TXTEWS program Note that this error is extremely rare 9 6 Cannot Export or Control Data Within N90 1 Verify that the Bailey interface device supports this type of activity 2 Verify that the appropriate MMI DDE tag has been marked as read write 3 Verify the allowable ranges for the tag name match those configured within N90 1994 2001 The RoviSys Company Document Revision 9 2 Page 81 RoviSys N90DDE Server 4 Verify the N90 interface does not have monitor mode enabled very unlikely Monitor mode is set using an ASCII terminal attached to the termination unit module printer port and that port selected for the utility mode consult Bailey N90 interface manual Normally monitor mode is disabled when a N90 interface is received from the Bailey factory It is unlikely that monitor mode is enabled unless someone had attached an ASCII terminal at one time and was experimenting with the available options within the N90 interface utility menus 9 7 Data Values Exchanged Between N90 and Server Are Different 1 Verify that the tag point Min EU matches the N90 zero and Min Raw is set equal to Min EU Also verify that the tag point Max EU matches value set within N90 and Max Raw is set equal to Max EU Note that the EU Max is calculated as the N90 zero plus span Make sure you calculated the MMI setti
33. 3 with revision F firmware installed in the INICTO3A module is to also have the ABB Bailey semAPI dongle installed on the NTMP01 printer port 1994 2001 The RoviSys Company Document Revision 9 2 Page 34 RoviSys N90DDE Server 7 1 Analog Input Loop AIL The AIL item point type is used to retrieve the exception reported output from N90 Analog Output Loop blocks function code 30 Analog Point Definition function code 70 and Enhanced Analog Point Definition function code 158 Name AIL Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type EUNUM engineering unit number integer read EUTEXT engineering unit text message message read HIALM high alarm indicator 0 no 1 yes discrete read HIALMLIM high alarm limit real read write LOALM low alarm indicator 0 no 1 yes discrete read LOALMLIM low alarm limit real read write Q quality 0 good 1 bad discrete read SPAN span of value real read TIME time expressed as seconds since 1 1 1970 of integer read last point value update TIMETEXT time month day year hour minute second of message read last point value update UPDATES running count of updates received for this point integer read value real read ZERO zero value of value range real read Example usage s are AIL V 1 2 3 50 Reads N90 AO
34. 90DDE Server 7 4 Device Driver DD The DD item point type is used to retrieve and control the exception reported output from N90 Device Driver blocks function code 123 Name DD Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC ALM alarm 0 none 1 alarm discrete read F1 feedback 1 discrete read F2 feedback 2 discrete read FBAD feedback bad 0 no 1 yes discrete read MODE mode discrete read write 0 manual 1 auto OVRS override status 0 no 1 yes discrete read Q quality 0 good 1 bad discrete read TIME time expressed as seconds since 1 1 1970 of integer read last point value update time month day year hour minute second of message read last point value update faceplate type code integer read UPDATES running count of updates received for this point integer read V value discrete read write VTEXT value as text defined at point creation message read write Example usage s are DD V 10 12 14 102 Reads writes N90 DD value at ring 10 node 12 module 14 block 102 to from a DDE discrete tag DD VTEXT 10 12 14 102 Stopped Running Reads writes N90 DD value at ring 10 node 12 module 14 block 102 to from a DDE message tag When the N90 DD value is zero the message Stopped will be returned when one Running will b
35. DDE Server 7 13 Remote Manual Set Constant RMSC The RMSC item point type is used to retrieve and control the exception reported output from N90 Remote Manual Set Constant blocks function code 68 Name RMSC Restrictions This item cannot be utilized when the N90 interface type is a serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type EUNUM engineering unit number integer read EUTEXT engineering unit text message message read HILIM high limit of settable value real read L OLIM low limit of settable value real read quality 0 good 1 bad discrete read SPTRACK set point tracking 0 no 1 yes discrete read TIME time expressed as seconds since 1 1 1970 of integer read last point value update TIMETEXT time month day year hour minute second message read of last point value update UPDATES running count of updates received for this point integer read value real read write Example usage s are RMSC V 2 1 4 75 Reads writes N90 RMSC value at ring 2 node 1 module 4 block 75 to from a DDE real tag RMSC Q 2 1 4 75 Reads N90 RMSC quality at ring 2 node 1 module 4 block 75 into a DDE discrete tag RMSC SPTRACK 2 1 4 75 Reads N90 RMSC set point track flag at ring 2 node 1 module 4 block 75 into a DDE discrete tag RMSC V 2 1 4 75 Reads writes RMSC value at ring 2 node 1 module 4 block 75 to from a DDE real tag RMSC
36. DDE Server 7 5 Digital Input Loop DIL The DIL item point type is used to retrieve the exception reported output from N90 Digital Output Loop blocks function code 45 Name DIL Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC ALM alarm indicator O no 1 yes discrete ALMSTATE alarm state 0 none 1 low 2 high 3 integer low amp high quality 0 good 1 bad discrete TIME time expressed as seconds since integer 1 1 1970 of last point value update TIMETEXT time month day year hour minute message second of last point value update UPDATES running count of updates received for integer this point value discrete VTEXT value as text defined at point creation message Example usage s are DIL V 1 1 2 50 Reads N90 DO L value at ring 1 node 1 module 2 block 50 into a DDE discrete tag DIL V 2 60 20 6000 Reads N90 DO L value at ring 1 node 2 module 3 block 100 into a DDE discrete tag DIL VTEXT 2 60 20 6000 0ff On Reads N90 DO L value at ring 1 node 2 module 3 block 100 into a DDE message tag When the N90 DIL value is zero the message Off will be returned when one On will be returned DIL Q 2 60 20 6000 Reads DO L quality at ring 2 node 60 module 20 block 6000 into a DDE discrete tag DIL ALMSTATE 2 60 20 6000 Reads DO L al
37. DDE Server NSODDE Server Operational Parameters Configuration File Path CAPROGRAM FILES NSODDE SERVERY Internal Server Parameters Changing these parameters can adversely affect the server s performance Use caution 25 Protocol Timer Tick msec 60000 Time limit for data to be read from device msec 1000 Internal DDE Timer Tick msec 4096 DDE Block Size 30 Station STN item computer level computer timer seconds hl Block specification SPEC item background read timer seconds lii Output delay to allow AOL and DOL item group writing seconds Enable debugging messages to Ww logger gt Enable debugging messages to NSODDE log files Lock out all operator write requests Disable Exception Report Screening Always leave points connected supports cold link clients Initially set quality items good when first created Start automatically as Windows NT Service Station fast update for Tr minutes every 500 milliseconds Defaults Configuration File Path is used to specify the path disk driver and directory where the server will save its configuration file The server will use this path to load its configuration file the next time it is started Note that this entry is the disk and path name only The server will always save its configuration in a file called N9ODDE32 CFG There is no limit to the number of configuration files created however each must be saved in
38. DE discrete tag MSDD V 2 3 4 110 Reads N90 MSDD first output value at ring 2 node 3 module 4 block 110 into a DDE discrete tag MSDD TIME 2 3 4 110 Returns the time expressed as seconds since 1 1 1970 of last update received from a MSDD value at ring 2 node 3 module 4 block 110 into a DDE integer tag MSDD TIMETEXT 2 3 4 110 Returns the time expressed as a text message like Mon Oct 26 08 00 00 1998 of last update received from a MSDD value at ring 2 node 3 module 4 block 110 into a DDE message tag MSDD UPDATES 2 3 4 110 Returns a running count of the total updates received from a MSDD value at ring 2 node 3 module 4 block 110 into a DDE integer tag MSDD TYPE 2 3 4 110 Reads the type indicator from a MSDD at ring 10 node 12 module 14 block 103 into a DDE integer tag The type indicator can be used to vary the display faceplate based on the MSDD type indicated within the N90 block configuration 1994 2001 The RoviSys Company Document Revision 9 2 Page 48 RoviSys N90DDE Server 7 9 Poll Analog Output POLLAO The POLLAO item point type is used to retrieve polled output values from any N90 function block that generates analog real outputs Its primary usage is intended for node level data acquisition when the N90 interface type is a N90 serial port module Name POLLAO Cautions Usage of this item with the N90 interfaces other then serial port modules should be limited to those few N90 block output values
39. DE point item associated with this tag and the selected type field Valid selections when the type field is analog can be real or long integer Consult the specific DDE point item to determine which selection is applicable Data Source Selects the source of this data Obviously points being provided by N9ODDE server must be of type DDE Application This is the name of the DDE server application that is providing the data value For N9ODDE server this name is always N9ODDE Topic Topic name defined within the N9ODDE server In this example a topic name of N9ODDE has been assigned Item Name of the N9ODDE server point type its subscript and address within N90 Note that the N90 block address must always be the base function block number even for blocks with multiple outputs like the example station block Close Button Closes this dialog after point definition has been completed Accept Button Accepts the current definition for this point 1994 2001 The RoviSys Company Document Revision 9 2 Page 97 RoviSys N90DDE Server Discard Button Discards the current definition for this point New Button Request definition of a new point Log Data Checkbox Request that logging be enabled for this point Alarm Checkbox Requests that alarming be enabled for this point Alarm Button If alarming has been enabled for this point click on this button to setup the alarm criteria 1994 2001 The RoviSys Company Docum
40. E point names and allow selection of a point for editing its name To select a point use the up and down arrow keys when the list box has focus or point and click on the point to be edited Edit Point Edit box used to edit the currently selected point To give the edit box focus press ALT E or the tab key multiple times When the edit box has focus the edited point can be changed and added to the point list box by entering ALT U update Note that point names can be up to 32 characters in length cannot contain spaces and must be unique N90DDE will enforce these rules Update Button Click on this button to update the edited SOE point name Cancel Button Click on this button to cancel changes made to the SOE point names Done Button Click on this button when SOE point editing has been completed 1994 2001 The RoviSys Company Document Revision 9 2 Page 23 RoviSys N90DDE Server 6 N90DDE Server Startup Activities This section presents a technical overview of the various server startup activities associated with the N90 interface It is presented for informational purposes only and its understanding is not required for configuring third party MMI applications and the N90DDE server 6 1 Environment Identification The first thing the server must accomplish is to determine what type of N90 interface device it is communicating with Knowing the type allows the server to automatically adjust its performance to optimize its us
41. E integer tag SOE TYPEBLK 2 20 25 350 Reads the type of SOE log configured for the N90 SOELOG block at ring 2 node 20 module 25 block 350 into a DDE message tag The type strings can be Not determined Standard Summary Pre fault Post fault and Snapshot N9ODDE determines the type by reading the SOE function block and examining the S1 setting It is important to note this item must be configured always active and that If the block is not a F C 99 the value of this tag remains at Not determined and the other associated tags like SOE FILE SOE NEXTREC SOE NEXTFILE SOE PNT are disabled SOE V 2 20 25 350 Reads a flag indicating whether or not the N90 SOELOG block at ring 2 node 20 module 25 block 350 has SOE data present and a capture is in progress into a DDE discrete tag A value of zero indicates it is empty A value of one indicates data is present and a capture is occurring If the associated SOE TYPE indicates a summary SOE log writing a value of 1 to SOE V requests the summary data to be generated and collected 1994 2001 The RoviSys Company Document Revision 9 2 Page 64 RoviSys N90DDE Server 7 15 Specification SPEC The SPEC item point type is used to retrieve and tune if tunable a N90 function block specification Name SPEC Cautions SPEC values are acquired via polling block configuration information The default polling interval is once every 60 seconds This interval c
42. FILE is set the cycle starts over with the most recent capture file being selected again SOE NEXTREOC 1 4 5 100 Read Write DDE discrete tag used to request the next record of a particular SOE point from a currently selected SOE capture file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 The associated SOE EVENT tag must be set 1 and the SOE FILE tag must contain a valid file name for the SOE capture file of interest for the SOE NEXTREC tag to be utilized Under this condition SOE NEXTREC is used to sequence through the total number of records in the file as indicated by the SOE COUNT tag For example after a capture has occurred N9ODDE will set the associated SOE EVENT tag indicate the SOE capture file in SOE FILE write the total number of items captured in that file to the SOE COUNT tag and display the first record data in the SOE PNT tags The next SOE point record can be requested by setting the SOE NEXTREC tag to True 1 The next record will be read from the capture file and displayed in the individual SOE PNT tags SOE NEXTREC will be set back to False 0 to acknowledge that the read request has been completed To cycle through all records in a SOE capture file the SOE NEXTREC should be set True for the number of times indicated by SOE COUNT 1 Note that SOE RECORD may also be used to indicate and select random records SOE OFLOW 1 6 7 200 Reads N90 Sequence of Events Log block overflow indicator
43. Loop allow a valid block range of 1 through 1023 Infinet based systems allow a valid block range of 1 through 9998 The N90 export points are those values sent from the server into N90 The N9O0DDE server item names for these points are AOL DOL which implements Analog Outputs and Digital Outputs to N90 These point types respond to N90 as if they are Function blocks 30 and 45 respectively They are read by N90 at the ring and node address of the N90 interface device The module number is always two and the block number is the index number assigned in the definition of the N9ODDE server item Note that this index number must be unique with respect to all other export points item definitions It also must fall within the range of one to the maximum number of outputs defined the N9O0DDE server topic 1994 2001 The RoviSys Company Document Revision 9 2 Page 25 RoviSys N90DDE Server 6 5 Runtime Error Handling Two categories of errors could occur as each point is established in the N90 interface database The first category includes those types related to exceeding the capacity of the N90 interface This includes memory or index numbers For either of these situations a message is posted in the WWLogger message window if running WW version N9ODDE indicating the error tag name application topic item and N90 index assigned by the server The second category is caused by duplicating N90 block numbers across multiple server items
44. MCS OIS and all other Computer Interface devices except CIUO1 This would include other MMI N9O0DDE server nodes on the Plantloop communication system OK Button Click on this button to accept node map setup Cancel Button Click on this button to cancel node map setup For Time Synchronization to function correctly it is very important that ALL nodes be defined and of the right type Double check your definitions 5 7 Defining Sequence of Events The DDE Server Sequence of Events sub menu selection allows definition of information related to Sequence of Events SOE data collection and storage This features is designed to work in conjunction with the Bailey Sequence of Event function block F C 99 and Controller attached to the Bailey Rochester oequence of Event Recorder Selection of the Sequence of Events sub menu displays the following dialog Select Topic for SOE Point Definition 1994 2001 The RoviSys Company Document Revision 9 2 Page 21 RoviSys N90DDE Server Highlight the topic for which SOE information will be defined by pointing and clicking on it or use the up and down arrow keys Once the desired topic is selected click on the Edit button or type Alt E to edit the SOE information related to the selected topic Edit Button Click on this button to edit the currently highlighted topic Done Button Click on this button when SOE definition has been completed Editing the SOE data for a particular topic dis
45. POLLAO and POLLDO items received by the server from the Bailey computer interface device SIATS TOTALXRP Indicates running count of total exception reports values exchanged between the server and Bailey computer interface device SIATS SYNCRING Reads ring number of the current N90 Plantloop or Infinet highway drop that has assumed the time sync mastership role This DDE tag is not valid for SPM CIC and CIUO 1 interfaces STATS SYNCNODE Reads node number of the current N90 Plantloop or Infinet highway drop that has assumed the time sync mastership role This DDE tag is not valid for SPM CIC and CIU01 interfaces STATS VERSION Reads N9ODDE Server software version number 1994 2001 The RoviSys Company Document Revision 9 2 Page 68 RoviSys N90DDE Server 7 17 Station STN The STN item point type is used to retrieve and control the exception reported output from N90 Control Station blocks function code 21 22 23 80 Name SIN Restrictions This item can be utilized with all N90 interface types except the serial port module The RI subscript is not supported by the NCIUO1 Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type AOBYPASS analog out bypassed 0 no 1 yes discrete read CO control output real read write COTRACK control output tracking discrete read 0 no 1 yes CPU computer level control status discrete read write 0 failed 1 OK DSBAD d
46. RRCODE ERRORS EUNUM EUTEXT EVENT F1 F4 FB FBAD FILE FLT FLTACK GS GSTEXT HARDFAIL HIALM HIALMLIM HIDEV HILIM KD KDIR KDLAG KI KIONLY KHILIM KLOLIM KPIDBLK TUNE KTYPE 1994 2001 The RoviSys Company result of the last block request alarm state 0 none 1 low 2 high 3 low amp high alarm level 0 one 2 two 3 three alarm 0 none 1 alarm analog output bypassed 0 1 yes message blink code value of module status byte number 1 value of module status byte number 2 value of module status byte number 3 value of module status byte number 4 value of module status byte number 5 calculated flag 0 1 yes control output message color code communication 0 good 1 bad control output track 0 1 yes count of total SOE points in a given capture file computer status O failed 1 OK DDE message per second deviation alarm 0 none 1 low 2 high deviation alarm limit digital station bad 0 no 1 yes error codes module indicates one or more runtime errors engineering unit number engineering unit text message signals that an SOE event has been captured feedback 1 4 feedback feedback bad 0 no 1 yes function code indicates selects current SOE capture file fault has occurred fault acknowledgment good state 0 default 1 state1 2 state2 3 state3 good state as text hardware failu
47. TEXT 100 100 3 100 Reads engineering unit number assigned to N90 STN at ring 100 node 100 module 3 block 100 and converts it to a text message defined by user within N9O0DDE engineering units setup dialog written to a DDE message tag STN TYPE 10 12 14 103 Reads the faceplate type indicator from a STN at ring 10 node 12 module 14 block 103 into a DDE integer tag The type indicator can be used to vary the display faceplate based on the STN type indicated within the N90 block configuration SIN TYPETEXT 10 12 14 103 Reads the faceplate type indicator as a text message from a STN at ring 10 node 12 module 14 block 103 into a DDE integer tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 73 RoviSys N90DDE Server 7 18 Text Selector TEXT The TEXT item point type is used to retrieve the exception reported output from N90 Text Selector blocks function code 151 This data is used to allow controller logic to convey message numbers and attributes to console displays Name TEXT Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type BLINK message blinking is requested discrete COLOR color selection integer quality 0 good 1 bad discrete TIME time expressed as seconds since 1 1 1970 of integer last point value update time month
48. These preferences can be PC both gets and sets the Bailey system time PC just gets the Bailey system time and the use DCS timestamp option that receives Bailey system generated timestamps with each exception reported value instead of the server internally generating those time stamps Note that the Bailey SPM and CIUOT1 interfaces do not support any of the indicated time preferences Selection of the Time Synchronization sub menu displays the following dialog Time Synchronization System Definition and Time Preferences Infi 90 Network 30 PC Gets and Sets Bailey System Time PC Gets Bailey System Time Use OCS Timestamp Topic TEST Cancel This dialog allows time preferences to be setup for each topic Bailey interface device Note that if multiple topics exist and their corresponding Bailey interfaces are all present on the same communication loop the time preferences should be set to common values for these topics 1994 2001 The RoviSys Company Document Revision 9 2 Page 18 RoviSys N90DDE Server Network 90 Check Box opecifies a Bailey NETWORK 90 system based on the Plantloop communication system uses LIM Loop Interface Modules BIM Bus Interface Modules Infi 90 Check Box Specifies a Bailey INFI 90 system based on the Infinet communication system uses NIS Network Interface Slaves NPM Network Processing Module PC Gets and Sets Bailey System Time Check Box The server will
49. ag 1994 2001 The RoviSys Company Document Revision 9 2 Page 55 RoviSys N90DDE Server RMC ERRCODE 5 6 7 80 Reads N90 RMC error code at ring 5 node 6 module 7 block 80 into a DDE discrete tag RMC F1 5 6 7 80 Reads N90 RMC feedback 1 signal at ring 5 node 6 module 7 block 80 into a DDE discrete tag RMC F2 5 6 7 80 Reads N90 RMC feedback 2 signal at ring 5 node 6 module 7 block 80 into a DDE discrete tag RMC V 5 6 7 80 Reads writes N90 RMC value at ring 5 node 6 module 7 block 80 to from a DDE discrete tag RMC VTEXT 5 6 7 80 Stop Start Reads writes N90 RMC value at ring 5 node 6 module 7 block 80 to from a DDE message tag When the N90 RMC value is zero the message Stop will be returned when one Start will be returned These messages can also be written to reset and set the N90 RMC Also text messages of 0 or 1 can be written to reset and set the N90 RMC RMC Q 5 6 7 80 Reads N90 RCM quality at ring 5 node 6 module 7 block 80 into a DDE discrete tag RMC V 4 100 30 1001 Reads writes RCM value at ring 4 node 100 module 30 block 1001 to from a DDE discrete tag RMC TYPE 4 100 30 1001 Reads the type indicator from a RMC at ring 4 node 100 module 30 block 1001 into a DDE integer tag The type indicator can be used to vary the display faceplate based on the RMC type indicated within the N90 block configuration 1994 2001 The RoviSys Company Document Revision 9 2 Page 56 RoviSys N90
50. an be adjusted using the DDE Server Operational Parameters dialog available under the Configure N90DDE Server menu selection The algorithm used to poll for SPEC values is designed to minimize interference with the other ongoing data collection activities Basically one poll request per like set of blocks is issued and must be completed before progressing to the next like block set Once the values for all like block sets have been acquired the next poll time is calculated to be the current time plus the configured SPEC background read interval Polling is suspended until that time arrives at which time the cycle is repeated Use care when setting up the SPEC data items Requesting specs from non existing rings nodes modules or blocks wastes communication bandwidth Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type FC block function code number integer read 91 S64 specification value real read write Note the only tunable specs can be written Example usage s are SPEC FC 2 3 4 400 Reads N90 function code for the block located at ring 2 node 3 module 4 block 400 into a DDE integer tag If invalid block is referenced the value will remain at zero which is not a valid Bailey function code number SPEC S1 2 3 4 400 Reads writes N90 specification number 1 located at ring 2 node 3 module 4 block 400 into a DDE real tag If the referenced specification is tunable it will
51. ange from 200 ta 500 opecification Display Settings scientific notation values greater 1Oo00000 0 Decimal paints This dialog is used to enable and disable the search filter When enabled the user defines a specific function code they are interested in finding This is accomplished by clicking on the Function Code check box This box is 1994 2001 The RoviSys Company Document Revision 9 2 Page 93 RoviSys N90DDE Server alternatively enabled and disabled by entering Ctrl F When enabled the user must tab to the function code user entry field or click on in with the mouse to enter the desired function code to be found Optionally a beginning and ending search block number can be specified by enabling the Block Range check box This box is alternatively enabled and disabled by entering Ctrl B If block range searching is not specified the search begins at the currently selected block number The filter dialog also allows the user to customize how specification values are displayed The largest value before scientific notation is utilized can be entered along with the number of decimal point digits to be displayed 1994 2001 The RoviSys Company Document Revision 9 2 Page 94 RoviSys N90DDE Server 13 Using N90DDE Server With RSView32 This section presents information related to using N9ODDE Server with Rockwell ooftware s RSView32 third party man machine interface software It assumes RSView32
52. arm state definition at ring 2 node 60 module 20 block 6000 into a DDE integer tag DIL ALM 2 60 20 6000 1994 2001 The RoviSys Company Document Revision 9 2 Page 42 RoviSys N90DDE Server Reads DO L alarm indicator at ring 2 node 60 module 20 block 6000 into a DDE discrete tag Note that the DO L function block F C 45 can be configured to set its alarm indication for either logic level zero or one or never alarm DIL TIME 2 60 20 6000 Returns the time expressed as seconds since 1 1 1970 of last update received from a DO L value at ring 2 node 60 module 20 block 6000 into a DDE integer tag DIL TIMETEXT 2 60 20 6000 Returns the time expressed as a text message like Mon Oct 26 08 00 00 1998 of last update received from a DO L value at ring 2 node 60 module 20 block 6000 into a DDE message tag DIL UPDATES 2 60 20 6000 Returns a running count of the total updates received from a DO L value at ring 2 node 60 module 20 block 6000 into a DDE integer tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 43 7 6 7 7 RoviSys N90DDE Server Digital Output Loop DOL The DOL item point type is used to send an exception reported output generated by the MMI into N90 Digital Input Loop blocks function code 42 and Digital Input Infinet blocks function code 122 The only supported value subscript is V which is a DDE discrete read write type However the N9ODDE server will generate the appropri
53. at ring 1 node 6 module 7 block 200 into a DDE discrete tag A value of zero indicates OK A value of one indicates an overflow occurred The N90 SOELOG block buffer size must be increased to clear this condition SOE PNTALM 1 4 5 100 Reads a SOE point alarm flag from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE discrete tag A value of zero indicates no alarm A value of one indicates an alarm condition The associated SOE NEXTREC tag is used to sequence through the various SOE point alarms within a selected SOE log file 1994 2001 The RoviSys Company Document Revision 9 2 Page 62 RoviSys N90DDE Server SOE PNTDATE 1 4 5 100 Reads a SOE point date string from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE message tag This string contains the date when the point was logged by the Bailey SER device Its format is like 12 02 1997 The associated SOE NEXTREC tag is used to sequence through the various SOE point log date strings within a selected SOE log file SOE PNTNAME 1 4 5 100 Reads a SOE point name from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE message tag The SOE point names must be pre configured using the N9ODDE Configure SOE menu selection Otherwise defaulted names of POINT 1 POINT 2 et
54. ata associated with a particular PID loop within the Bailey system Newer versions of ExperTune have a wizard button that will cause the various fields within this dialog to be automatically configured by the wizard All that is required to utilize the wizard is to have N90DDE Server running before running the wizard have a known N90DDE topic predefined and know the base address of the Bailey Station block that has the associated PID block to be tuned Consult the ExperTune user manual for the details of each field and operation of the wizard 1994 2001 The RoviSys Company Document Revision 9 2 Page 84 RoviSys N90DDE Server The example assumes a Bailey Station block F C 21 22 23 or 80 located at ring 1 node 1 module 3 block 42 and PID block F C 18 or 19 located at ring 1 node 1 module block 40 The fields related to accessing data via N9ODDE Server are ExperTune Field Purpose Application Topic Defines the DDE Server application name always N90DDE and topic as setup using N90DDE Server to be used for data access The example assumes a topic also named N90DDE SP Defines the N90DDE Server item used to read write the Station function code setpoint value PV Defines the N90DDE Server item used to read write the Station function code process variable value CO Defines the N90DDE Server item used to read write the Station function code control output value PB or gain Defines the N90DDE Server item used to read tune the PID
55. ate quality and alarm status based on the value being generated by the MMI and definition of the tag item Since this item exports data to N90 it follows a different naming convention when defining it within an MMI tag Restrictions This item can be utilized with all N90 interface types except serial port module SPM and computer interface command series CIC Cautions Make sure the block number field is unique with respect to the other export item definitions and is defined within the range of 1 to the maximum number of allowed outputs This maximum is defined within the server topic selected for the MMI DDE tag N90 receives data from this item at the ring and node address assigned to the N90 interface module two and defined block number Name DOL V Block AlarmState Initial State Item field DOL item point name data subscript is read write DDE discrete Block block number at which value is to be established within N90 interface device Its range is 1 to max output defined by topic definition AlarmState state of value which is considered in alarm where 0 alarm when zero 1 alarm when one 2 alarming disabled Init Val initial value of output when first established in N90 interface Example usage s are DOL V 1 0 0 Writes a discrete value to N90 interface block 1 which will be marked in alarm when the value is zero Its initial value will be set to zero DOL V 95 1 0 Writes a discrete value to N90 interface bloc
56. ating state for the module at N90 address ring 2 node 3 module 4 to a DDE message tag MODSTAT TYPE 2 3 4 Reads the module type for the module at N90 address ring 2 node 3 module 4 to a DDE message tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 46 RoviSys N90DDE Server 7 8 Multi State Device Driver MSDD The MSDD item point type is used to retrieve and control the exception reported output from N90 Multi State Device Driver blocks function code 129 Name MSDD Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC alarm 0 none 1 alarm discrete feedback 1 discrete feedback 2 discrete feedback 3 discrete feedback 4 discrete good state integer 0 default 1 state 2 state2 3 state3 good state as text defined at point creation mode 0 manual 1 auto GSTEXT MODE message read discrete read write OVRC OVRS RS override control 0 no 1 yes override status 0 no 1 yes quality 0 good 1 bad requested state same as GS discrete discrete discrete integer read read read read write RSTEXT TIME requested state as text defined at point creation message read write time expressed as seconds since 1 1 1970 of integer read last point value update time month day year hour minute second of
57. ax outputs maximum number of output items AOL and DOL the server should allocate point indices for within the N90 interface device It is important to note that these indices are specified as part of the AOL and DOL item definition and must always fall in the range of one to the Max outputs entered 1994 2001 The RoviSys Company Document Revision 9 2 Page 15 RoviSys N90DDE Server Watchdog desired watchdog timer to be initiated between the server and N90 interface device The timer is expressed in 2 5 second counts A value of zero disables the watchdog timer The maximum value is 255 which is equivalent to 637 5 seconds When the watchdog timer is enabled the N90 interface device will remove itself from communication loop if the elapsed time in which the server communicates with it exceeds the watchdog timer value Server output item values AOL and DOL will thereafter automatically be marked as bad quality Comm Port Button Click on this button to select the COM port associated with this topic OK Button Click on this button to accept current topic definition Cancel Button Click on this button to cancel topic definition It is important to note that two categories of data collection can occur The first is polling for the exception reported values and the second is polling for the non exception values Exception report polling occurs at the rate setup by the Exception Update Interval Its purpose is to acquire the
58. block at ring 1 node 4 module 5 block 100 into a DDE message tag This string contains the time when the point was logged by the Bailey SER device Its format is like 23 24 25 097 The associated SOE NEXTREC tag is used to sequence through the various SOE point log date strings within a selected SOE log file 1994 2001 The RoviSys Company Document Revision 9 2 Page 63 RoviSys N90DDE Server SOE PNTTYPE 1 4 5 100 Reads a SOE point type string from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE message tag The type strings can be Standard Summary Pre fault Post fault or Snapshot The associated SOE NEXTREC tag is used to sequence through the various SOE point types within a selected SOE log file SOE PNTV 1 4 5 100 Reads a SOE point value its value during SER capture from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE discrete tag The associated SOE NEXTREC tag is used to sequence through the various SOE point states within a selected SOE log file SOE Q 1 6 7 200 Reads N90 Sequence of Events Log block quality at ring 1 node 6 module 7 block 200 into a DDE discrete tag SOE RECORD 1 6 7 200 Reads Writes record number of the currently selected capture file for the N90 Sequence of Events Log block at ring 1 node 6 module 7 block 200 into from a DD
59. c will be provided The associated SOE NEXTREC tag is used to sequence through the various SOE point names within a selected SOE log file SOE PNTNUM 1 4 5 100 Reads a SOE point number from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE integer tag The SOE point number is that which has been configured in the Bailey SER device The associated SOE NEXTREC tag is used to sequence through the various SOE point numbers within a selected SOE log file SOE PNTQ 1 4 5 100 Reads a SOE point quality flag from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE discrete tag A value of zero indicates good quality A value of one indicates bad inactive quality The associated SOE NEXTREC tag is used to sequence through the various SOE point qualities within a selected SOE log file SOE PNTSCAN 1 4 5 100 Reads a SOE point scan indication from a currently selected SOE log file associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 into a DDE discrete tag A value of zero indicates point is on scan A value of one indicates point is deleted from the scan The associated SOE NEXTREC tag is used to sequence through the various SOE point scans within a selected SOE log file SOE PNTTIME 1 4 5 100 Reads a SOE point time string from a currently selected SOE log file associated with the N90 SOELOG
60. ce and click on the New button or press the Alt W keys to define a new tag This will display the following dialog which has been filled out to define a DDE tag that will exchange the setpoint of a Bailey Control otation F C 80 block located at ring 1 node 1 module 3 block 42 Tag Database LE x _ Type Anatog gt Security Description Flow Controller 101 Setpoint 4 4 4 Minimum 5 1N TV scale u Units DegF Maximum on Offset D Data Type Floating Point Data Source Type Device DDE Memory Application N90DDE Topic N9ODDE em SGIN SFE 342 Log Data Alarm Name Tag name assigned to this point Description Verbose description of the purpose for this point Type General type assigned too this tag Valid choices are analog real and integer numbers digital on or off values and string 1994 2001 The RoviSys Company Document Revision 9 2 Page 96 RoviSys N90DDE Server Security Write security level assigned to this tag Minimum Minimum value allowed for this tag Maximum Maximum value allowed for this tag Scale ocaling factor to be applied against the value received for this tag Offset Offset value to be applied against the value received for this tag Units Engineering units description associated with this tag Data Type This selection is based on the D
61. data values that have changed significantly since the last time they were updated The response to exception requests contain a count of the number of values returned Zero indicates nothing has changed since the last read A non zero value indicates the number of sets of indices and corresponding status and values The server issues up to three exception requests before continuing on to the next poll cycle Since the N90 interface maintains the values that have change significantly in a FIFO queue any values not read after the third command will eventually be read in subsequent exception poll cycles After all exception commands have been processed the server waits for the next exception poll cycle to begin Non exception data is polled using the N90 interface READ BLOCK OUTPUT command setup by the Poll Update Interval Since this command only returns a single data value one must be issued for each POLLAO and POLLDO items configured in the database 1994 2001 The RoviSys Company Document Revision 9 2 Page 16 RoviSys N90DDE Server 5 5 Defining Engineering Units The Engineering Units sub menu selection allows mapping of Bailey engineering unit codes to text messages N90 specifies engineering units as a number in the range of 0 255 By definition each number represents a fixed engineering unit Most N90 exception report function blocks have a specification used to define the engineering unit code This code can be provided by N9ODDE a
62. defined within the server Typically the DDE access name is given the same name as the server which is N90DDE DDE Topic Name Topic name defined within the N9ODDE server In this example a topic name of ICICOM2 had been assigned which signifies a N90 ICI interface device attached to the COM2 port Request Initial Data Radio Button Selected only if the server program is other than a Wonderware DDE server such as N90DDE and the server program does not return data values immediately when a window is displayed Wait for Change Radio Button Selected when the DDE application is a Wonderware DDE server such as N9O0DDE Advise All Items Radio Button oelected if the server program is to poll for all data whether or not it is in visible windows alarmed logged trended or used in a script If data throughput becomes sluggish for large N9ODDE server applications and this option is selected de selecting it will slightly improve throughput performance Advise Only Active Items Radio Button oelected to cause the server program to return only points in visible windows and points that are alarmed logged trended or used in any script Cancel Button Click on this button to cancel changes to the definition of the DDE access name 1994 2001 The RoviSys Company Document Revision 9 2 Page 87 RoviSys N90DDE Server OK Button Click on this button to accept changes to the definition of the DDE access name Once a DDE access name has been d
63. e 20 block 500 into a DDE real tag STN DEVALMLIM 1 10 20 500 Reads N90 STN deviation alarm limit at ring 1 node 10 module 20 block 500 into a DDE real tag STN HIALM 1 10 20 500 Reads N90 STN high pv alarm indicator at ring 1 node 10 module 20 block 500 into a DDE discrete tag 1994 2001 The RoviSys Company Document Revision 9 2 integer discrete real discrete real real real discrete integer message integer message integer real real read write read read read read write read write read read read read read read read read read Page 70 RoviSys N90DDE Server STN LOALM 1 10 20 500 Reads N90 STN low pv alarm indicator at ring 1 node 10 module 20 block 500 into a DDE discrete tag STN SP 1 10 20 500 Reads writes N90 STN set point value at ring 1 node 10 module 20 block 500 to from a DDE real tag STN LODEV 1 10 20 500 Reads N90 STN low deviation alarm indicator at ring 1 node 10 module 20 block 500 into a DDE discrete tag Indicates PV has exceeded SP by the configured engineering units limit see Bailey F C 21 22 23 or 80 documentation STN HIDEV 1 10 20 500 Reads N90 STN high deviation alarm indicator at ring 1 node 10 module 20 block 500 into a DDE discrete tag Indicates SP has exceeded PV by the configured engineering units limit see Bailey F C 21 22 23 or 80 documentation STN CO 1 10 20 500 Reads writes N90 STN control output value at ri
64. e of the interface and follow N90 interface specific rules of operation Environment identification involves a series of commands and ranges of certain fields within the commands to determine the exact type of interface This process starts with the ENVIRONMENT command but may also utilize the CIU RESTART and ESTABLISH POINT commands depending on the actual type of interface being utilized and whether or not it supports the ENVIRONMENT command 6 2 Restarting Interface Next the server must restart the N90 interface device Restarting an interface clears its database and places the device on line to the N90 system The CIU RESTART command is used for this purpose Included in this command is a field that instructs the interface device to disable itself from the N90 communication loop if it hasn t communicated with the server in a specific period of time The time out value specified in the topic definition is utilized for this purpose 6 3 Database Establishment All N9ODDE server items except POLLAO and POLLDO utilize exception reporting to acquire the data values For each unique N90 block defined by MMI tag name items an entry must be setup in the N90 interface database The ESTABLISH POINT or ESTABLISH AND CONNECT message is utilized for this purpose This message requires six data fields to be specified These fields are index point type ring node module and block number The index number is a unique number assigned to each point
65. e returned These messages can also be written to reset and set the N90 DD Also text messages of or 1 can be written to reset and set the N90 DD DD Q 10 12 14 102 Reads N90 DD quality at ring 10 node 12 module 14 block 102 into a DDE discrete tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 40 RoviSys N90DDE Server DD MODE 10 12 14 102 Reads writes N90 DD mode at ring 10 node 12 module 14 block 102 into a DDE discrete tag DD V 10 12 14 103 Reads writes DD value at ring 10 node 12 module 14 block 103 to from a DDE discrete tag DD TIME 10 12 14 103 Returns the time expressed as seconds since 1 1 1970 of last update received from a DD value at ring 10 node 12 module 14 block 103 into a DDE integer tag DD TIMETEXT 10 12 14 103 Returns the time expressed as a text message like Mon Oct 26 08 00 00 1998 of last update received from a DD value at ring 10 node 12 module 14 block 103 into a DDE message tag DD UPDATES 10 12 14 103 Returns a running count of the total updates received from a DD value at ring 10 node 12 module 14 block 103 into a DDE integer tag DD TYPE 10 12 14 103 Reads the type indicator from a DD at ring 10 node 12 module 14 block 103 into a DDE integer tag The type indicator can be used to vary the display faceplate based on the DD type indicated within the N90 block configuration 1994 2001 The RoviSys Company Document Revision 9 2 Page 41 RoviSys N90
66. e server should use when processing a read block output read block read next block or tune block request For Infinet based systems this range should be limited from 1 to 250 For Plant Loop or single node based systems the value of this item is not used in the block request 1994 2001 The RoviSys Company Document Revision 9 2 Page 75 RoviSys N90DDE Server BLOCK NODE Used to set the node address the server should use when processing a read block output read block read next block or tune block request For Infinet based systems this range should be limited from 1 to 250 For Plant Loop based systems the range should be limited from 1 to 63 For single node based systems the value of this item is not used in the block request BLOCK MODULE Used to set the module address the server should use when processing a read block output read block read next block or tune block request The range for this item should be limited from 2 to 31 BLOCK BLOCK Used to set the block address the server should use when processing a read block output read block read next block or tune block request The range for this item is dependent on the destination module type The absolute range should be limited from 0 to 9999 BLOCK READ Used to request the server to read the block data currently addressed by the BLOCK RING BLOCK NODE BLOCK MODULE and BLOCK BLOCK items The server automatically resets this flag to zero after it has accepted and proce
67. ead quality 0 good 1 bad discrete read SETPERM set permissive 0 no 1 yes discrete read TIME time expressed as seconds since integer read 1 1 1970 of last point value update TIMETEXT time month day year hour minute message read second of last point value update faceplate type code integer read UPDATES running count of updates received for integer read this point value discrete read write VTEXT value as text defined at point creation message read write Example usage s are RCM ALM 5 6 7 80 Reads N90 RCM alarm bit at ring 5 node 6 module 7 block 80 into a DDE discrete tag RCM FB 5 6 7 80 Reads N90 RCM feedback signal at ring 5 node 6 module 7 block 80 into a DDE discrete tag RCM V 5 6 7 80 Reads writes N90 RCM value at ring 5 node 6 module 7 block 80 to from a DDE discrete tag RCM VTEXT 5 6 7 80 Reset Set Reads writes N90 RCM value at ring 5 node 6 module 7 block 80 to from a DDE message tag When the N90 RCM value is zero the message Reset will be returned when one Set will be returned These messages can also be written to reset and set the N90 RCM Also text messages of 0 or 1 can be written to reset and set the N90 RCM 1994 2001 The RoviSys Company Document Revision 9 2 Page 53 RoviSys N90DDE Server RCM Q 5 6 7 80 Reads N90 RCM quality at ring 5 node 6 module 7 block 80 into a DDE discrete tag RCM SETPERM 4 5 3 50 Reads RCM set per
68. efined tag names of DDE type can be defined To define a tag name the Tag Name Dictionary sub menu under the InTouch WindowMaker Special menu This selection is shown by the following screen 92 Wonderware InTouch Promotional Copy Not for Resale Bills ine Special sht i IIS Eth Tools x Ej sri res rete pm Ly SUM STILE stinge irs El Ep Tagname Dictionary Ctrl T wam s After selecting Tag Name Dictionary the following dialog will be displayed AccessLevel Asst OO CN First click on the Details radio selection second the New button and third the Type button This will cause the following dialog to be displayed 1994 2001 The RoviSys Company Document Revision 9 2 Page 88 RoviSys N90DDE Server Dictionary Tagname Definition Details O Alarms Both None SS m s Type Memory Integer System EMEN Cl Log Data Log Events Retentive Value Retentrve Parameters Initial Value 0 Enq Units Mir Choose tag type Ma Group Var Hist Trend Tag ID Memory Discrete Intege Memory Real Memory Message DDE Discrete DDE Integer DDE Real DDE Message Indirect Discrete Indirect Analog Indirect Message Tag types associated with the N9ODDE server can be DDE Discrete DDE Integer and DDE Real As the names imply the type you must choose is dependent on the data type of the point being exchanged with the server The type
69. ent Revision 9 2 Page 98
70. ention for import items is as follows pointType valueSubscript ring node module block where Item field pointType type of N90 point valueSubscript data item to be extracted for the N90 point ring N90 ring address 1 250 Infinet 1 PlantLoop node N90 node address 1 250 Infinet 1 63 PlantLoop module N90 module address 2 31 block N90 block number 0 9998 When using a Bailey CIC interface the ring and node fields must be set to values of zero when defining the item Each point within a DCS system typically has several pieces of data For instance a control loop is a single point within N90 but has many different values For example there is process variable set point control output and mode to name a few Within the MMI each piece of data is a tag name Therefore for the N9ODDE server in some instances such as a control loop there will be multiple MMI tag names each with an item addressing the same point address within N90 but requesting a different piece of data The valueSubcript field of the item selects the specific data to be accessed The following table lists all possible valueSubcripts supported by the server 1994 2001 The RoviSys Company Document Revision 9 2 Page 27 RoviSys N90DDE Server ValueSubscript DDE Type ACKNAK AALMSTATE ALMLEVEL ALM AOBYPASS BLINK BYTE1 BYTE2 BYTES 4 BYTES CALC COLOR COMM COTRACK COUNT CPU DDERATE DEVALM DEVALMLIM DSBAD E
71. er day After generation of the 99 log file xxxxxx99 S TD it will wrap back around to the beginning xxxxxx01 STD The capture files are stored in the sub directory defined by the Sequence of Events configuration dialog discussed earlier in this manual The data in the log file is stored in a space separated ASCII format The first line is a count of the number of SOE records contained by the file Each subsequent line is a SOE record containing the point number date string time string its quality alarm state scan state value point type string and point name string Consider the following example data stored in the file 02019701 PRE 4 1 2 01 1997 23 23 50 120 0 0 0 1 Pre fault Pump A 2 2 01 1997 23 23 50 125 0 0 1 0 Pre fault Pump B 6 2 01 1997 23 23 50 203 0 1 0 1 Pre fault Compressor 1 9 2 01 1997 23 23 50 987 1 0 0 0 Pre fault Compressor 2 The log is the first one to occur on February 1 1997 for pre faulted data points It contains four SOE records as indicated by the first line The first record is point 1 which was logged by the SER on February 1 1997 at 23 23 50 120 It has good quality its not in alarm has not been deleted from the scan and has a value of one The point type is pre fault and it called Pump A The second record is point Z2 which was logged by the SER on February 1 1997 at 23 23 50 125 It has good quality its not in alarm has been deleted from the scan and has a value of zero The point type is p
72. er integer read THISNODE N90 interface node number integer read TOTALDDE total DDE values sent to client s integer read TOTALMSG total messages exchanged with interface integer read TOTALPOLL total polling messages sent to interface integer read JOTALXRP total exception reports exchanged with integer read interface VERSION N90DDE Server version number real read Example usage STATS COMM Reads communication status of the N90DDE Server link with the N90 interface device STATS ONLINE Reads online status of the N90 interface device Initially N9ODDE Server must determine the interface type and then command it online This DDE tag indicates when that process has been completed STATS POLLONLY Returns poll only indication for the N90 interface device or current N9ODDE Server license When one only POLLAO and POLLDO items are valid for the current N90 interface or N90DDE Server license This DDE item is valid after 1994 2001 The RoviSys Company Document Revision 9 2 Page 66 RoviSys N90DDE Server STATS ONLINE is one unless the N90DDE Server license is poll only in which case the value returned does not depend on the STATS ONLINE item SIATS THISRING Reads ring number of the N90 interface N90DDE Server is communicating with This DDE tag is not valid for SPM CIC and CIUOT interfaces SIATS THISNODE Reads ring number of the N90 interface N90DDE Server is communicating with This DDE tag is not valid for SPM and CIC int
73. erfaces SIATS LOCK Read write flag controlling whether or not writes to any DDE tag for this topic will be accepted When set 1 all writes will be rejected The default setting is reset 0 Note that the global write lock out found in the N9ODDE DDE Server Operational Parameters submenu selection overrides this tag In other words if the global write lock out is enabled STATS LOCK cannot be reset 0 STATS DDERATE Indicates DDE messages values per second being sent by the server to the client s STATS MSGRATE Indicates messages per second being exchanged between the server and the Bailey computer interface device STATS POLLRATE Indicates polling messages result of using POLLAO and POLLDO item per second being exchanged between the server and the Bailey computer interface device STATS XRPRATE Indicates exception reports values per second being exchanged between the server and Bailey computer interface device STATS TAGS Indicates running count of total DDE tags established between all DDE clients and the N9ODDE server STATS TOTALDDE Indicates running count of total DDE values sent by the server to the clients s STATS TOTALMSG Indicates running count of total messages exchanged between the server and Bailey computer interface device STATS TOTALPOLL 1994 2001 The RoviSys Company Document Revision 9 2 Page 67 RoviSys N90DDE Server Indicates running count of total polled values result of using
74. erver 2 Verify the parity usually none and stop bits usually 1 match between the N90 interface and COM port the server is using 3 Verify the N90 interface has checksuming enabled If the N90 interface LEDs are not sequencing but the server indicates good communication status STATS COMM is zero 1 Verify the COM port associated with the topic definition is not a modem port 2 Verify the pin outs on the serial cable or N90 interface termination dipshunt settings do not have the TX and RX lines pinned together 9 5 Not All N90 Server DDE Tags Are Receiving Data 1 Verify point type indicated by item name actually exists and matches correct type within the N90 module data source 2 Verify duplicated items error message is not posted within WWLogger messages If such an error is found you have two or more items of different types pointing to the same address within N90 Search the tag name data base for duplicate addressing of different point types 3 Review the item spelling for accuracy A common mistake is to mix the number zero and letter O Also verify that the item subscript is valid for the given item 4 Make sure none of the Bailey controllers have addresses less than two 5 Indices or memory capacity of N90 interface has been exceeded It is unlikely that you will encounter this error unless your application has a very large number of N90 points and the N90 interface device is a NCIUOT or INCICO1 Search
75. for Windows NT 2000 based systems Selecting it when running on Windows 95 98 ME has no effect Station Fast Update is used to define the duration and polling interval for the Station fast update feature This feature is very useful when using N9ODDE with loop tuning software Its purpose is to acquire the Bailey Station PID control loop process variable and control output STN PV and STN CO items via polling when fast update is activated Activation of fast update automatically occurs whenever any STN K item related to PID tuning parameter is written by the DDE Client It can also be activated whenever the DDE Client sets the STN KTUNE item Fast update stays in effect for the defined duration or until the STN KTUNE item is reset by the DDE Client Anytime STN K item is written that tunes one of the PID gains or the STN KTUNE item is set while fast update is already in effect the internal timer associated with determining when the fast update duration has expired is reset thus extending the fast update period The fast update feature is disabled whenever the duration is defined to a value of zero Default Button Click on this button to set the server operational parameters to default settings 1994 2001 The RoviSys Company Document Revision 9 2 Page 11 9 3 RoviSys N90DDE Server Cancel Button Click on this button to cancel changes to the server operational parameters OK Button Click on this button to accept changes t
76. ge 71 RoviSys N90DDE Server than the user defined station fast update period which is defaulted to 60 minutes Note that the STN K items are updated at the SPEC item polling rate The station fast update period and polling interval can be set using the DDE Server Operational Parameters dialog available under the Configure N90DDE Server menu selection It defaults to 60 minutes polling every 500 milliseconds Note this item is automatically enabled when any of the STN K items associated with PID tuning values are written STN COTRK 1 3 4 33 Reads N90 STN control output track flag at ring 1 node 3 module 4 block 33 into a DDE discrete tag STN RI 1 10 20 500 Reads N90 STN ratio index value at ring 1 node 10 module 20 block 500 into a DDE real tag STN MODE 1 10 20 500 Reads writes N90 STN mode at ring 1 node 10 module 20 block 500 into a DDE integer tag Note that after a computer level mode is written the server automatically begins to send computer OK messages at the interval configured in the N90DDE Server Operational Parameters dialog see section entitled Defining Operational Parameters STN CPU 1 10 20 500 Reads writes computer status flag at N90 STN ring 1 node 10 module 20 block 500 into a DDE discrete tag Writing a value of one 1 when currently in local level control will transfer the N90 STN block to computer level control within the current mode For example if the current mode is local auto 1 it wil
77. has already been installed on the target machine along with the version of N9O0DDE Server developed with the Rockwell Software DDE Server toolkit Note that the screen snapshots presented in this section were taken from the RSView version software The configuration principles remain the same for the RSView32 series software 13 1 Definition of N90DDE Server DDE Points Defined a project using RSView Works The following dialog is an example of a RS View demo project DEMO RSY Project E3 Edit Mode Graphics Alarms Data Log Logic and Control Double click on the System folder to expand it shown as follows DEMO RSY Project x Edit Mode I Scan Class E Tag Database EA Tag Monitor User Accounts f Security Codes fi Activity Lag Setup Activity Log Viewer T Startup x Command Line Graphics Alarms Data Log Logic and Control 1994 2001 The RoviSys Company Document Revision 9 2 Page 95 RoviSys N90DDE Server Double click on Tag Database to configure DDE points to be exchanged with the N9ODDE server This will display the following point definition dialog M Tag Database LIBI x Name Security gt Description Prev Next Data Source Type C Device C DDE Memory Initial Value This dialog allows definition of any type of RSView tag Select the DDE radio button as the data sour
78. has been captured 0 armed and waiting 1 captured and locked Indicates selects the current file name for the captured SOE data Flag used to sequence through the most recent to oldest SOE capture files Flag used to sequence through the records of the currently selected SOE capture file The SOE data overflowed the N90 SOELOG block buffer 0 ok 1 overflow occurred SOE point alarm 0 no 1 yes SOE point date when capture occurred SOE point name SOE point number SOE point quality 0 good 1 bad inactive SOE point scan flag 0 yes 1 deleted from scan SOE point time when capture occurred SOE point type Standard Summary Pre fault Post fault and Snap shot SOE point value at capture 0 or 1 Quality of this point Bailey controller communication port and RA 3800 SER status A value of 0 indicates ok otherwise the point address is wrong the Bailey controller is not communicating with the RA 3800 SER or it has problems Indicates selects a record for the currently selected capture file time expressed as seconds since 1 1 1970 of last point value update time month day year hour minute second of last point value update Type of SOE log block Not determined Standard Summary Pre fault Post fault and Snap shot running count of updates received for this point Value indicating whether or not the SOELOG block has data present 0 empty 1 data present Document Re
79. his item has a value of zero the requested BLOCK activity completed with no errors Otherwise its value indicates the type of error that has occurred Common errors are ACKNAK Request completed with no errors Number out of range invalid ring node module or block address specified Destination node is off line Destination ring is off line Target module does not know how to respond to the request Target module is in a mode that cannot support the current request Target module request is for an invalid block number Target module request is for a valid block number but it has not been defined Target module request is for a block that does not have any readable specifications Target module is not responding BLOCK V The server writes the block output value retrieved to this item when a read block output request is issued BLOCK Q The server writes the block output quality retrieved to this item when a read block output request is issued BLOCK FC The server writes the function code number retrieved to this item when a read block or read next block request is issued BLOCK FCNAME The server writes the name of the function code to this item when a read block or read next block request is issued Function code names are recorded in the F1 130 INI and F131 255 INI files located in the windows directory These files can be edited using standard ASCII editor such as notepad to add future function codes developed by Bai
80. ice that the remote reference formula requires the item name to be enclosed in single quotes as shown in the example as RMSC V 1 1 3 201 The DATATYPE XLS Excel 97 spreadsheet is included in the SAMPLES subdirectory where N90DDE has been installed It contains examples for all point types and their subscripts It also supports POKING values to the server for select items 1994 2001 The RoviSys Company Document Revision 9 2 Page 83 RoviSys N90DDE Server 11 Using N90DDE Server With ExperTune N9O0DDE Server is very easy to setup and use with the ExperTune PID tuning package available from Gerry Engineering Software Inc 414 628 0088 All that is required is the definition of a topic and DDE tags based on the STN and SPEC items The following example shows the ExperTune main screen with a loop definition called bailey tun 15 ExperT une x Experlune Edit Faceplate When the bailey tun loop is chosen the edit button selected the following configuration screen is activated Choose a Loop Setup for X XERSPEHTXDDES bailey tun m gt Help ares _ Close Faceplate Bailey Infi90 FC19 511 20 E 1 Hotes k 1 Gain he repeats minute i Use hot links NSODDEINSODDE STN SP 1 1 3 42 56 1 1 3 40 5PEC 57 1 1 3 40 STH PV 1 1 3 42 5PEC 58 1 1 3 40 S TH ECD 1 1 3 4 S TH MHUDE 1 1 3 42 This screen is used to define d
81. igital station bad discrete read 0 no 1 yes DEVALMLIM deviation alarm limit real read EUNUM engineering unit number integer read EUTEXT engineering unit text message message read HIALM high pv alarm indicator no 1 yes discrete read HIALMLIM high alarm limit real read write HIDEV high deviation alarm indicator 0 no 1 yes discrete read PID gain multiplier real read write KDIR PID direction discrete read write 0 reverse error SP PV 1 direct error PV SP PID derivative constant minute real read write KDLAG PID derivative lag constant F C 156 only real read write PID function code number integer read KI PID integral constant 1 minute real read write KIONLY PID integral only on set point change when 1 discrete read write KHILIM PID control output high limit real read write KLOLIM PID control output low limit real read write KP PID proportional constant real read write KPIDBLK PID block number associated with this STN integer read write item The server will attempt to automatically determine this on startup but may have to be filled in by user if the attempt fails KTUNE Place this STN item in fast update mode discrete read write which enables fast updating of STN PV and STN CO Server automatically deactivates KTUNE after user defined fast update duration expires KTYPE PID alogrithm type 0 classical 1 integer read noninteracting 2 classical with external
82. ing N90DDE Server With RSView 95 13 1 Definition of N90DDE Server DDE Points 95 1994 2001 The RoviSys Company Document Revision 9 2 Page 3 RoviSys N90DDE Server 1 Introduction The RoviSys Company N90DDE server enables client DDE applications access to the Bailey Controls Command Series NETWORK 90 and INFI 90 Distributed Control oystems The N90DDE server can communicate at the network level via the appropriate Computer Interface Unit NCIUOX Plant Loop to Computer Interface INPCIOX Infi net to Computer Interface INICIO1 INICIO3 INICI12 or within a single Process Control Unit via a Computer Interface Command CICO1 or Serial Port Module NSPMO1 IMSPMO1 System integrity functionality and data throughput is maintained by utilizing standard exception reporting techniques Versions of N90DDE Server are available which support the Wonderware InTouch Rockwell Software RSView and Intellution FIX 32 via their DDE client driver third party Man Machine Interfaces All of these versions support desktop DDE client applications such as Microsoft Excel Access and Word The InTouch version N90DDE was developed using the Wonderware DDE development toolkit It supports the Wonderware Suitelink and fast DDE data exchange mechanism The RSView version N90DDE was developed using the Rockwell Software DDE development
83. int number 1 512 integer read PNTQ SOE point quality O good 1 bad inactive discrete read PNTSCAN SOE point scan flag 0 yes 1 deleted from scan discrete read PNTTIME SOE point time like 23 30 02 123 message read PNTTYPE SOE point type Standard Summary Pre fault Post message read fault Snapshot PNTV SOE point value O reset 1 set discrete read POLLONLY flags Bailey device or N90DDE Server license only discrete read supports polling items POLLAO and POLLDO 0 no 1 yes POLLRATE interface polling messages per second integer read PV process variable real read quality 0 good 1 bad discrete read RATEALM rate alarm 0 none 1 low 2 high 3 low amp high integer read RECORD current SOE capture file record integer read write RI ratio index real read write RS requested state 0 default 1 state1 2 state2 integer read write 3 state3 RSTEXT requested state as text message read write S1 S64 addressed block specification value real read write SBAD bad start has occurred discrete read SCAN scan flag 0 on scan 1 off scan discrete read SETPERM set permissive O no 1 yes discrete read SHOLD status on hold discrete read set point real read write SPAN span of process variable set point or value real read SPTRACK set point track 0 no 1 yes discrete read STATE current module operating state execute configure message read error 1994 2001 The RoviSys Co
84. interface device resides at ring 1 node 4 Install the configuration file 10103 CFG into the Bailey controller using TXTEWS to demonstrate live data updates into the DATATYPE XLS spreadsheet or change the item addresses to match existing blocks within the Bailey system being interfaced In some cases the version based on the Wonderware toolkit might need some of the DLLs installed in the Program File N9ODDE Server FactorySuite Common subdirectory Wonderware installations already have these DLLs installed For non Wonderware installations if you receive a missing DLL error when running N90DDE Server the missing DLL s can be copied from the afore mentioned directory to the Windows System32 directory to resolve the missing DLL condition Installation of the server is complete If this is not a demo copy you should make a backup copy of the server distribution disks Make sure that you register the server using the enclosed registration form Registration entitles you to three months of free updates server technical support and upgrade notifications We truly welcome your comments and suggestions on how we can further improve the functionality of our server to better fit your needs 1994 2001 The RoviSys Company Document Revision 9 2 Page 6 5 RoviSys N90DDE Server Getting Started This section is intended to bridge the gap between the configuration information provided in this manual and the third party MMI documentation At thi
85. ions a function block can have is 63 there are 63 of these items All values are converted to real regardless of there actual type within the N90 controller Likewise when a value is written to this item for tuning purposes it is written as a real but the server will convert it to the type appropriate for the function block being tuned This item is set to zero if its corresponding specification is not valid BLOCK DESCS x The server uses the BLOCK DESCS 1 through BLOCK DESCS 63 items to convey the specification names for the corresponding specification number of the function block just read Since the maximum number of specifications a function block can have is 63 there are 63 of these items This item is set to a blank message if its corresponding specification is not valid Function block specification names are recorded in the F1 130 INI and F131 2595 INI files located in the windows directory These files can be edited using a standard ASCII editor such as notepad to add future function codes and or specification descriptions as they are developed by Bailey Controls or define customized names of any UDF function block specifications you may have assigned The BLOCK item and its corresponding subscripts enable development of a MMI graphic devoted to reading and tuning N90 controller blocks Maximum flexibility is given as to the format of the window By defining function code and specification names in the F1 130 INI and F131 255 INI file
86. k 95 which will be marked in alarm when the value is one Its initial value will be set to zero DOL V 97 2 1 Writes a discrete value to N90 interface block 97 which will never be marked in alarm regardless of its value Its initial value will be set to one Module Status MODSTAT 1994 2001 The RoviSys Company Document Revision 9 2 Page 44 RoviSys N90DDE Server The MODSTAT item point type is used to retrieve module status summary information Definition of this item should exclude the block number field within the item name definition This item is designed to work with all node and module types The messages for module state and type are defined in the N9O0DATA INI file stored in the windows directory It may be edited to customize message generation The MODULE STATE section defines the messages for module state The MODULE TYPE section defines the messages for module type This section contains the Bailey defined module type code and associated module name You may edit the names or add new type codes and associated names that correspond to new Bailey modules introduced after any given revision to N9ODDE server Note that by definition all MMI message tags must have a total length that does not exceed 132 characters Name MODSTAT Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type
87. l be transferred to computer auto 4 Writing a value of one 1 to this item when currently in computer level control causes no action to occur the write is ignored Writing a value of zero 0 when currently in computer level control instructs the server to stop sending computer OK messages to the STN block After the STN block computer watchdog timer expires see FC 80 531 it will report computer failed to this item and drop the STN mode to the configured computer fail default mode see FC 80 517 or FCs 21 22 23 515 STN LEVEL 1 1 2 30 Reads level of control local or computer from N90 STN at ring 1 node 1 module 2 block 30 into a DDE discrete tag SIN MODELOCK 1 1 2 30 Reads N90 STN mode lock flag at ring 1 node 1 module 2 block 30 into a DDE discrete tag STN Q 1 10 20 500 Reads N90 STN quality at ring 1 node 10 module 20 block 500 into a DDE discrete tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 72 RoviSys N90DDE Server STN Q 5 6 7 80 Reads N90 STN quality at ring 5 node 6 module 7 block 80 into a DDE discrete tag STN PV 99 99 2 80 Reads N90 STN process value at ring 99 node 99 module 2 block 80 into a DDE real tag STN PV 100 100 3 100 Reads N90 STN process value at ring 100 node 100 module 3 block 100 into a DDE real tag STN EUNUM 100 100 3 100 Reads engineering unit number assigned to N90 STN at ring 100 node 100 module 3 block 100 into a DDE integer tag STN EU
88. ley Controls or customize the names of any UDF function codes you may have developed BLOCK OKS x The server uses the BLOCK OKS 1 through BLOCK OKS 63 items to flag whether or not the corresponding specification number is valid for the function block just read Since the maximum number of specifications a function block can have is 63 there are 63 of these items A value of one indicates the specification is valid and zero means not valid These flags can be used to enable or disable display or data input elements on an MMI graphic based on a specification being valid or not 1994 2001 The RoviSys Company Document Revision 9 2 Page 77 RoviSys N90DDE Server BLOCK TUNABLES x The server uses the BLOCK TUNABLES 1 through BLOCK TUNABLES 63 items to flag whether or not the corresponding specification number for the function block just read is tunable Since the maximum number of specifications a function block can have is 63 there are 63 of these items A value of one indicates the specification is tunable and zero means it is not The item is zero if its corresponding specification is not valid These flags can be used to enable or disable display and data input elements on an MMI graphic based on a specification being tunable BLOCK VALUES x The server uses the BLOCK VALUES 1 through BLOCK VALUES 63 items to convey the values for the corresponding specification number of the function block just read Since the maximum number of specificat
89. me between updates of all SPEC Sx and STN K DDE tags Output Delay to Allow AOL and DOL Item Group Writing is the period of time to wait on updates to AOL and DOL item values before those updates are grouped into a single message and sent to the Bailey interface When this setting is zero each AOL or DOL update is sent immediately in individual output messages By configuring a small delay the updates are grouped into a single output group message which provides for a more efficient use of the interface serial channel Enable Debugging Messages to WW Logger is used to enable user selectable debugging messages to the Wonderware logger Enable Debugging Messages to N90DDE Log Files is used to enable user selectable debugging messages to daily log files maintained by the server These log files provide useful information for debugging DDE Client configuration and other runtime problems This feature is useful for systems that don t have access to the Wonderware logger Lock Out All Operator Write Requests is used to request N9ODDE to lock out write capability for all DDE tags in all topics See the STATS LOCK item to programmatically lock out writes on a topic basis 1994 2001 The RoviSys Company Document Revision 9 2 Page 10 RoviSys N90DDE Server Disable Exception Report Screening is used to turn off the Bailey interface exception reporting screening option Doing so forces the Bailey interface to report all data updates it
90. missive signal at ring 4 node 5 module 3 block 50 into a DDE discrete tag RCM V 4 100 30 1001 Reads writes RCM value at ring 4 node 100 module 30 block 1001 to from a DDE discrete tag RCM TIME 4 100 30 1001 Returns the time expressed as seconds since 1 1 1970 of last update received from a RCM value at ring 4 node 100 module 30 block 1001 into a DDE integer tag RCM TIMETEXT 4 100 30 1001 Returns the time expressed as a text message like Mon Oct 26 08 00 00 1998 of last update received from a RCM value at ring 4 node 100 module 30 block 1001 into a DDE message tag RCM UPDATES 4 100 30 1001 Returns a running count of the total updates received from a RCM value at ring 4 node 100 module 30 block 1001 into a DDE integer tag RCM TYPE 4 100 30 1001 Reads the type indicator from a RCM at ring 4 node 100 module 30 block 1001 into a DDE integer tag The type indicator can be used to vary the display faceplate based on the RCM type indicated within the N90 block configuration 1994 2001 The RoviSys Company Document Revision 9 2 Page 54 RoviSys N90DDE Server 7 12 Remote Motor Control RMC The RMC item point type is used to retrieve and control the exception reported output from N90 Remote Motor Control blocks function code 136 Name RMC Restrictions This item can be utilized with all N90 interface types except the serial port module Ring and node addresses must be set to zero when the N90 interface is
91. mpany Document Revision 9 2 Page 29 SUPALM TAGS TIME TIMETEXT TOTALDDE JOTALMSG JOTALPOLL TYPETEXT TYPEBLK UPDATES VARALM VERSION XRPRATE ZEROSP 1994 2001 The RoviSys Company RoviSys N90DDE Server suppressed alarms 0 no 1 yes total DDE tags established with the server time expressed as seconds since 1 1 1970 of last point value update time month day year hour minute second of last point value update total DDE messages sent to client s total messages exchanged with interface total polling messages sent to interface total exception reports exchanged with interface travel indicator 0 no 1 yes faceplate or module type type of faceplate as text type of SOE log block Not Determined Standard Summary Pre fault Post fault Snapshot running count of updates received from N90 for a point value variable alarm O no 1 yes N90DDE Server version number value as text or logic state descriptor exception reports per second exchanged with interface zero value of value range zero value of process variable range zero value of set point range Document Revision 9 2 discrete integer integer message integer integer integer integer discrete item based message message integer item based discrete real item based integer real real real read read read read read read read read
92. mpany Document Revision 9 2 Page 49 RoviSys N90DDE Server POLLAO HIALM 2 249 31 9998 Reads N90 function block output high alarm indicator at ring 2 node 249 module 31 block 9998 into a DDE discrete tag POLLAO LOALM 2 249 31 9998 Reads N90 function block output low alarm indicator at ring 2 node 249 module 31 block 9998 into a DDE discrete tag POLLAO TIME 2 249 31 9998 Returns the time expressed as seconds since 1 1 1970 of last update received from block output at ring 2 node 249 module 31 block 9998 into a DDE integer tag POLLAO TIMETEXT 2 249 31 9998 Returns the time expressed as a text message like Mon Oct 26 08 00 00 1998 of last update received from block output at ring 2 node 249 module 31 block 9998 into a DDE message tag POLLAO UPDATES 2 249 31 9998 Returns a running count of the total updates received from an block output at ring 2 node 249 module 31 block 9998 into a DDE integer tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 50 RoviSys N90DDE Server 7 10 Poll Digital Output POLLDO The POLLDO item point type is used to retrieve polled output values from any N90 function block that generates digital discrete outputs Its primary usage is intended for node level data acquisition when the N90 interface type is a N90 serial port module Name POLLDO Cautions Usage of this item with the N90 interfaces other then serial port modules should be limited to those few N90 block out
93. nctions OK you should not experience problems with N9ODDE server All N90 interfaces have a series of four or eight red LEDs on the module that processes serial communication and manages the N90 database Don t confuse this card with the module that handles the interface with the N90 communication loop which also has a series of LEDs An indication that communication with the N90 interface is occurring can be determined by looking at the serial processing card LEDs Hereafter these LEDs will be referenced as N90 interface LEDs The N90 interface LEDs count commands and replies occurring between the computer and N90 interface 1994 2001 The RoviSys Company Document Revision 9 2 Page 79 9 1 9 2 9 3 9 4 RoviSys N90DDE Server Could Not Initiate DDE Conversation or Remote Data Not Accessible If while starting up the Wonderware application a dialog appears indicating that a particular DDE conversation could not be initiated or from Excel remote data is not accessible this means a topic is being referenced that has not been defined using N90DDE Determine the topic causing the error and define it within N9O0DDE Rejects an Item that Does Have the Right Syntax If N9ODDE rejects an item that you are positive has the right syntax make sure that the item does not have the same N90 address ring node module and block of another previously created item of a different type For example lets suppose the item STN SP 1 2 3 4 was c
94. ng 1 node 10 module 20 block 500 to from a DDE real tag STN K 1 3 4 33 Reads writes PID gain constant associated with the N90 STN at ring 1 node 3 module 4 block 33 into a DDE real tag When written the associated PID gain constant is automatically tuned STN KPIDBLK 1 3 4 33 Reads writes PID block number associate with the N90 STN at ring 1 node 3 module 4 block 33 into a DDE integer tag At startup the server attempts to automatically determine the station associated PID block number It checks the Station S3 input for the existence of a PID of type FC 18 19 or 156 If one is found it is written to this item Otherwise the value is set to 1 to indicate PID block not found This will be the case if the PID is not configured or buffered by one or more other function block connections In this circumstance the user must fill in the associated PID block number to make the other STN tuning items functional It is important to note that if the other STN K items are not functioning check the value of this item making sure it has a valid PID block number SIN KTUNE 1 3 4 33 Reads writes PID tune flag associated with the N90 STN at ring 1 node 3 module 4 block 33 into a DDE discrete tag When set the server updates STN CO and STN PV at the user defined fast update poll rate The server will automatically reset this flag if no tune activity is detected for a period greater 1994 2001 The RoviSys Company Document Revision 9 2 Pa
95. ngs correctly 9 8 Server Will Not Time Sync N90 1 Verify that the N90 interface device is not NSPMO1 NCICO1 or NCIUO71 These devices do not allow a computer to send time synchronization commands to N90 If the N90 interface device is one of these types disable PC Gets and or Sets Bailey System Time option 2 Verify that time synchronization has been enabled for the correct type of N90 system Infi 90 or Network 90 3 For Plantloop based N90 systems verify that the node map is configured correctly for every node in the system regardless of whether or not data is being exchanged with all nodes 4 Note that the server gives precedence to MCS and OIS nodes as becoming the time synchronization master 1994 2001 The RoviSys Company Document Revision 9 2 Page 82 RoviSys N90DDE Server 10 Reading DDE Values into Excel N9O0DDE Server DDE values can be read into Excel by entering the appropriately formatted DDE remote reference formulas into the cells into which N90DDE data values are to be read The following example shows the definition of one such formula TT Edit View Insert Format Tools Data Window Help 0 0 0 0 0 0 0 0 0 0 c 14 4 0 Sheen Sheet Sheet Shee Shee Je CC C gt Ready INUM In this example the cell at R25C1 references a N90DDE tag value from a topic named N90DDE exchanging a RMSC value tag setup to read from node 1 PCU 1 module 3 and block 201 Not
96. nter Ctrl N to enter a new node number Module ft Current module number selected for block reading and tuning Enter Ctrl M to enter a new module number Block tt Current block number selected for block reading and tuning Enter Ctrl B to enter a new block number FC 1994 2001 The RoviSys Company Document Revision 9 2 Page 92 RoviSys N90DDE Server Current function code number for the last ring node module and block read or tuned F1 Prior Block Button This button causes the block number read previously to the current block to be read again and its specification data displayed F2 Read Button This button causes the currently assigned block number to be read and its specification data displayed F3 Next Block Button This button causes the next block number from the currently assigned block number to be read and its specification data displayed F4 Tune Button This button causes any tunable specification values the user had entered to be written to the currently assigned block number The module must be in execute mode F5 Filter Button This button causes the search filter definition dialog to be displayed F6 Search Button This button causes a search to be conducted for a user specified function code and optional block range that is setup using the filter button Pressing the Filter button causes the following dialog to be displayed Gearch Filter Function Code 117 Block R
97. ny Document Revision 9 2 Page 13 RoviSys N90DDE Server 5 4 Defining Topics The Topic Definition sub menu selection allows definition of N9ODDE server topics A topic is a name which represents a meaningful collection of data from the server For example 2 could describe data exchange with the Bailey Infi net to Computer Interface attached to the PC COM 2 port Previous versions of N90DDE only supported one topic being active for any given port N9O0DDE version 7 0 and later allow multiple topics to be active for any given COM port with two restrictions The first is items with identical N90 addresses that receive data via exception reporting cannot be duplicated in multiple topics The second is the topic with the lowest exception report poll time will be used to determine the actual exception report polling interval Note that the poll update interval applies to POLLAO and POLLDO items remains unique for multiply active topics on the same COM port The Topic Definition sub menu selection displays the following dialog Select a Topic Find N30DDE ICICOM2 7727575 Cancel Modify Delete This dialog shows names of existing topics Currently this example shows the definition of two topics called ICICOM2 and N90DDE new topic can be defined by clicking on the new button Existing topic definition can be modified by double clicking on it or the modify button A topic can be deleted by clicking on the delete
98. o as to not overload the WWLogger log file After defining topics with N90DDE server and DDE points within the MMI tag name database the server will begin talking with the N90 interface when the MMI is commanded online The startup pattern will vary based on the type of N90 interface being utilized The first thing you should notice is the N90 interface serial processing card LEDs begin to sequence Shortly thereafter you may hear the loop interface termination unit relays click on and off several times as the server is identifying the N90 interface type Just prior to downloading the database to the N90 interface it will be restarted and the loop interface termination unit relays will click off isolating it from the communication loop Next you should observe the N90 interface serial processing card LEDs sequence at a steady rate as the database is being downloaded Upon completing the database download the N90 interface will be command on line at which time the loop interface termination unit relays will click on and the loop interface card LEDs begin to count loop messages Thereafter the N90 interface serial processing card LEDs will sequence sporadically at the poll interval setup by the server topic If you experience problems with establishing communication between the N90DDE server and the N90 interface if possible it is a good idea to verify the setup by trying to communicate using the Bailey TXTEWS software Generally if this software fu
99. o server operational parameters Setting COM Port Communication Characteristics The Comm Port Configuration sub menu selection allows configuration of COM port communication characters which the server is to utilize when exchanging data with the N90 interface When selected the following screen will be displayed Select a Comm Port Find COM COMA COMS COME COM COMB OK Cancel Madify Find Type in the COM port to be modified COMX Click on one of these boxes to select the specific COM port to be configured A single click selects the COM port double click selects the COM port and brings up the Comm Port Configuration dialog Modify Button Click on this button to bring up the Comm Port Configuration dialog for the selected COM port Cancel Button Click on this button to cancel selection of a COM port OK Button Click on this button to accept current COM port selection After selecting a COM port the following COMM Port Configuration dialog will be displayed 1994 2001 The RoviSys Company Document Revision 9 2 Page 12 RoviSys N90DDE Server This dialog shows the currently selected COM port for which configuration will be take place It allows configuration of reply time out parity stop bits and baud rate The selected settings must match the N90 interface device Typically it is 19200 baud no parity and one stop bit 1994 2001 The RoviSys Compa
100. ollers within the Bailey INFI 90 NETWORK 90 and Command series systems CRT works with all computer interfaces supported by the N90DDE server The server must be version 4 2 or later and configured for a topic named N9ODDE CRT is optionally loaded by setup Before running CRT under WindowViewer you must configure a topic within N9ODDE Server by the name of N9O0DDE When InTouch View runs the CRT application CRT initially displays a startup window announcing itself Thereafter the following window is displayed FC 8 Executive Read Tune 2 Filter Ring 1 Mode 1 Module 2 Black FC 1 J 11 02 24 3 22 95 EN Tunable Value Description Yes 31073 0 51 Front plate LED display mode Yes Q S2 Memory display address most significant byte of address Yes Q 53 Memory display address middle byte of address Yes Q 54 Memory display address least significant byte of address 1 1 Prior Block F2 Read F3 Next Block F4 Tune F5 Filter F6 Search The user interacts with CRT via pushbuttons keyboard input and LED indicators CRT is designed to be run from the keyboard only mouse and any combination of the two There are several methods for accessing user input fields such as ring node module or block The first is to position the cursor over the field using 1994 2001 The RoviSys Company Document Revision 9 2 Page 91 RoviSys N90DDE Server the mouse and click with the left button This will cause an in
101. on Data Item BLOCK 75 9 trouble Shoolirig FII h0Su uu uuu u azas aa uae te 79 9 1 Could Not Initiate DDE Conversation or Remote Data Not Accessible 80 9 2 Rejects an Item that Does Have the Right Syntax 80 99 NO COMMUNICATION Peine 80 9 4 Appears To Be Communicating But No Data is Being Received 80 9 5 Not All N90 Server DDE Tags Are Receiving Data 81 9 6 Cannot Export or Control Data Within N90 81 1994 2001 The RoviSys Company Document Revision 9 2 Page 2 RoviSys N90DDE Server 9 7 Data Values Exchanged Between N90 and Server Are Different 82 9 8 Server Will Not Time Sync N90 82 1O cReadInG DDE vales EXCO uuu uy uy u tunu 83 11 Using N90DDE Server With ExperTune 84 12 Using N90DDE Server With InTouch 86 12 1 Definition of N90DDE Server DDE Points 86 12 2 Configuration Reading and Tuning CRT Application 91 13 Us
102. plays the following dialog Topic NSODDE SOE Capture File Directory C NSODDE Simulate SER Response Point 001 Editing Point Pump A Update Cancel Topic Displays the current topic name for which this SOE data is being edited SOE Capture File Directory Defines the directory where the SOE capture files should be read and written for the selected topic Make sure that the specified directory exists or the SOE capture files will not be saved 1994 2001 The RoviSys Company Document Revision 9 2 Page 22 RoviSys N90DDE Server Simulate SER Response Checking this box causes N9ODDE to simulate the reception of SER event data When selected it will generated random SOE events occurring approximately every other time an exception report is received from the associated SOE function block The number of points per SOE event is random but will always be arranged from point one to point N occurring at the same date and time with the milliseconds equaling the point number The quality alarm scan and value will cycle between all zeros and all ones This option is defined to allow checkout of the client application SOE data management and presentation Make sure this option is not selected when the client application is put into actual in plant use Point Displays the current SOE point number selected in the list and edit boxes The point list box directly below the point number displays the currently defined SO
103. put box to be draw where the user enters the new value Another method is to enter the tab key successively until the desired input field is outlined Then the enter key is pressed to bring up the user input box The third method is to push the Ctrl key and first letter of the desired field For example Ctrl R will cause an input box to be drawn for ring entry CRT may be merged into another application to provide block viewing and tuning capabilities In addition to the database tags CRT also utilizes data change scripts and application startup runtime scripts When merging CRT make sure the windows database and scripts are all included Following is an explanation of each field on the CRT window Read LED Indicates block reading activity Green indicates a block read in process with red indicating no activity Tune LED Indicates block tuning activity Green indicates a block tune in process with red indicating no activity Filter LED Indicates search filter active Green indicates search filter is enabled with red indicating disabled Comm LED Indicates communication status of the server with the Bailey interface device Green indicates good with red being bad Information Button Push this button for overview information concerning CRT Ring tt Current ring number selected for block reading and tuning Enter Ctrl R to enter a new ring number Node Current node number selected for block reading and tuning E
104. put values not currently being exception reported Data is obtained for this item by polling Since N90 is optimized for exception reporting polling for N90 outputs will slightly lower the data throughput of other exception reported values being collected by the server However it will not interfere with exception report activity not directly associated with the server Usage of this item with the N90 interfaces that sit on the N90 communication loop should only add a minimal overhead to the PCU nodes from which data is being polled Ring and node addresses must be set to zero when the N90 interface is a CIC Subscripts DDE Type ALM alarm 0 none 1 alarm discrete quality 0 good 1 bad discrete TIME time expressed as seconds since integer 1 1 1970 of last point value update TIMETEXT time month day year hour minute message second of last point value update UPDATES running count of updates received for integer this point value discrete VTEXT value as text defined at point creation message Example usage s are POLLDO V 1 2 3 51 Reads N90 function block output value at ring 1 node 2 module 3 block 51 into a DDE discrete tag POLLDO Q 1 2 3 51 Reads N90 function block output quality at ring 1 node 2 module 3 block 51 into a DDE discrete tag POLLDO V 2 249 31 9996 Reads N90 function block output value at ring 2 node 249 module 31 block 9996 into a DDE discrete tag 1994 2001 The
105. r DDE Points InTouch WindowMaker is used to configure DDE points to be exchanged with the N9ODDE server Prior to configuring a DDE point a DDE access name must be defined A DDE access name associates a name to a DDE server and topic defined within that server To define a DDE access name select the DDE Access Names sub menu under the InTouch WindowMaker Special menu This selection is shown by the following screen 9iwnonderware InTouch Promotional Copy Not for Resale Miel File Edt Arange Text Line BETIS wvindows Help Runtime Toolbox Show Hide N30DDE F Security IN c a cn E Tools iage ia IS fep 7 o T Sibsttute stringe E 1107181 Tagname Dictionary Ctrl T Alarm Groups DDE Access Mames ry n Configure 4 Update Use Counts Delete Unused Tags Scripts After selecting DDE Access Names and new under the subsequent dialog the following dialog will be displayed 1994 2001 The RoviSys Company Document Revision 9 2 Page 86 RoviSys N90DDE Server Modify ODE Access Name DDE Access Name N30DDE DDE Application Server Mame Cancel N30DDE DDE Topic Mame HSODDE Handling of initial data values Hequest inilial data C Wait for change When to advise server C Advise all items Advise only active items DDE Access Name Access name to be assigned to the DDE point which associates DDE server name and topic
106. re 0 no 1 yes high alarm 0 no 1 yes high alarm limit high deviation alarm O no 1 yes high limit value PID gain multiplier PID derivative constant minute PID direction 0 7 reverse 1 direct PID derivative lag constant F C 156 only PID function code number PID integral constant 1 minute PID integral term only PID output high limit PID output low limit PID proportional constant PID block number associated with station PID tune notification invokes fast STN update PID algorithm type indicator see F C 156 S18 Document Revision 9 2 integer integer integer discrete discrete discrete integer integer integer integer integer discrete real integer discrete discrete integer discrete integer integer real discrete integer discrete integer message discrete discrete discrete discrete integer message discrete discrete integer message discrete discrete real discrete real real real discrete real Integer real discrete real real real integer discrete integer read read read read read read read read read read read read read write read read read read read write read read read write read read read read read read write read read read read read write read read write read read read read read write read read read write read write read write read write read read write read write read write read write read write read write read wri
107. re fault and it called Pump B The third record is point 6 which was logged by the SER on February 1 1997 at 23 23 50 203 It has good quality its in alarm has not been deleted from the scan and has a value of one The point type is pre fault and it called Compressor 1 The fourth record is point Z9 which was logged by the SER on February 1 1997 at 23 23 50 987 It has bad quality its not in alarm has not been deleted from the scan and has a value of zero The point type is pre fault and it called Compressor 2 1994 2001 The RoviSys Company Document Revision 9 2 Page 61 RoviSys N90DDE Server SOE NEXTFILE 1 4 5 100 Read Write DDE discrete tag used to request the next most recent capture file of a particular SOE type to be displayed in the associated SOE FILE and SOE PNT tags associated with the N90 SOELOG block at ring 1 node 4 module 5 block 100 The associated SOE EVENT tag must also be set 1 for the SOE NEXTFILE tag to be utilized Under this condition SOE NEXTFILE is used to sequence through the most recent to oldest capture file for the associated SOE type For example after setting SOE EVENT each time SOE NEXTFILE is set the next oldest capture file will be displayed in SOE FILE and the associated SOE PNT tags SOE NEXTFLE will be reset back to False 0 to acknowledge that the next capture file has been selected When SOE FILE becomes a null string all capture files have been selected The next time SOE NEXT
108. reated and the item AIL V 1 2 3 4 is attempted to be created The AIL V 1 2 3 4 item will be rejected even thought its syntax is correct because it has the same N90 address 1 2 3 4 as the previously created STN SP item This condition will be reflected in the WW logger when N90DDE error posting has been enabled and the WW toolkit version is being utilized Also make sure that the item does not have a N90 address that is currently being used within another active topic No Communication If the N90 interface LEDs do not sequence this means the server is not able to successfully communicate with the N90 interface 1 Verify the server topic is associated with the same COM port of which the N90 interface has been cabled 2 Verify the N90 Interface device termination unit module serial port jumpers are setup correctly 3 Verify RS232 cable is connected to the correct termination unit module connector Generally this is labeled as the terminal port 4 Verify the RS232 cable is connected to the correct PC COM port Appears To Be Communicating But No Data is Being Received If the N90 interface LEDs sequence at a very steady and periodic rate this means the server is connected to the N90 interface but the communication parameters are not set correctly 1 Verify the baud rate settings match between the N90 interface and COM port the server is using 1994 2001 The RoviSys Company Document Revision 9 2 Page 80 RoviSys N90DDE S
109. s EUNUM items but can also be automatically translated to a text message and made available as EUTEXT items Selection of the engineering units sub menu displays the following dialog which allows mapping of the N90 engineering unit codes to engineering unit text messages Engineering Units EJ ELI Number 000 Editing EL name internal salue Update Cancel EU Number indicates the N90 engineering code viewed or defined Engineering Units List Box lists the current engineering unit definitions and allows selection of any particular engineering unit to determine its number and edit its text message Editing EU name displays the current engineering unit text name associated with the indicated engineering unit code A new name can be entered which must be unique with respect to the other currently defined engineering units Update Button Click on this button to update the edited engineering unit name 1994 2001 The RoviSys Company Document Revision 9 2 Page 17 9 6 RoviSys N90DDE Server Cancel Button Click on this button to cancel changes made to engineering unit names Done Button Click on this button when engineering unit editing has been completed Defining Time Synchronization The DDE Server Time Synchronization sub menu selection allows selection of the type of Bailey system Infi 90 or Network 90 definition of node maps when the system type is Network 90 and user time update preferences
110. s server upgrades not required to accommodate new or changes to Bailey function codes End users can add support for new function codes by editing these files Note that by default function code and specification names will have their numbers appended in front of their descriptions This can be disabled by editing the file located in the windows directory Look for the APPENDS section and set the FC and or Specs items to No The BLOCK XLS spreadsheet found in the BAILEY subdirectory of the installation floppy disk gives a good example on how to use the BLOCK item This spreadsheet was developed using Excel 5 0 and assumes a N90DDE Server topic name called N90DDE 1994 2001 The RoviSys Company Document Revision 9 2 Page 78 RoviSys N90DDE Server 9 Trouble Shooting Hints This section is provided to help the user identify and correct problems that may arise as a result of incorrectly setting up the N90 interface N9ODDE server or tag name database It is provided as a general guide to allow the user to decipher normal and abnormal operation If this does not help the server can be enabled to post additional error messages to the WWLogger This feature can be enabled using the DDE Server Operational Parameters dialog available under the Configure N90DDE Server menu selection Use this feature to track down tough problems and discover hard to find configuration errors Afterwards remember to remove it s
111. s defined within the range of 1 to the maximum number of allowed outputs This maximum is defined within the server topic selected for the MMI DDE tag N90 receives data from this item at the ring and node address assigned to the N90 interface module two and defined block number Name AOL V Block EU Sig Change Zero Span HA LA Init Val Item field AOL item point name data subscript is read write DDE real Block block number at which value is to be established within N90 interface device Its range is 1 to max output defined by topic definition EU engineering units number used by Bailey console nodes oig Change percent significant change when exception report is to be generated Zero zero of value in engineering units opan span of value in engineering units HA high alarm limit in engineering units LA low alarm limit in engineering units Init Val initial value of output when first established in N90 interface Example usage s are AOL V 1 2 0 1 0 0 100 0 95 0 5 0 0 0 Writes a value to N90 interface block 1 which has an engineering code of 2 significant change of 1 percent zero of 0 0 span of 100 0 high alarm of 95 0 low alarm of 5 0 and its initial value will be set to 0 0 AOL V 10 3 1 0 1 0 2 5 9 0 0 Writes a value to N90 interface block 10 which has an engineering code of 3 significant change of 1 0 percent zero of 1 0 span of 2 0 high alarm of 5 low alarm of 9 and its initial value will be set to 0 0
112. s point the PC to N90 interface device hardware requirements have been met The MMI software and N9ODDE server has been installed on the target machine and you are ready to begin defining N90 points that the MMI is to acquire The following sub sections demonstrate running the N9ODDE server setting up the COM port defining a topic defining server operational parameters and optionally defining N90 time synchronization Thereafter the MMI document should be consulted for other details of tag name generation and usage of tags within graphical displays 5 1 Executing the N90DDE Server Program To execute the N90DDE Server program double click the appropriate icon in the RoviSys N90DDE Server group or other group you may have added it to The following screen will appear 223 Production NSODDE Server Configure Help If you are reviewing a demo copy of the server the program menu bar will read Demo N90DDE Server minutes left 60 Please DO NOT utilize the demo copy for control within your facility Its automatic shutdown after 1 hour of operation could abandon control during a critical operation This screen is used to configure the N9ODDE server To select configure activities type ALT C or single click on the Configure menu item which will display the following screen 1994 2001 The RoviSys Company Document Revision 9 2 Page 7 9 2 RoviSys N90DDE Server Production NSIUDDE Server
113. ssed the read request BLOCK READOUT Used to request the server to read the block output currently addressed by the BLOCK RING BLOCK NODE BLOCK MODULE and BLOCK BLOCK items The server automatically resets this flag to zero after it has accepted and processed the block output read request BLOCK NEXT Used to request the server to read the next block data from the block currently addressed by the BLOCK RING BLOCK NODE BLOCK MODULE and BLOCK BLOCK items The server automatically resets this flag to zero after it has accepted and processed the read next request It also updates the BLOCK BLOCK item with the next block number read This item is useful for walking through a N90 modules configuration BLOCK TUNE Used to request the server to tune the block currently addressed by the BLOCK RING BLOCK NODE BLOCK MODULE and BLOCK BLOCK items The server automatically resets this flag to zero after it has accepted and processed the tune request Prior to requesting a tune the block should have been read using BLOCK READ and the newly desired tunable specification values set in the appropriate BLOCK VALUES x items BLOCK ACKNAK 1994 2001 The RoviSys Company Document Revision 9 2 Page 76 RoviSys N90DDE Server Indicates result of last BLOCK READ BLOCK NEXT BLOCK TUNE or BLOCK READOUT request This item is updated after the corresponding request flag has been reset by N9ODDE indicating the requested operation has completed When t
114. te read Page 28 RoviSys N90DDE Server LEVEL level of station control 0 local 1 computer discrete read LIMIT limited flag O no 1 yes discrete read LOALM low alarm 0 no 1 yes discrete read LOALMLIM low alarm limit real read write LLODEV low deviation alarm 0 no 1 yes discrete read LOCK Operator write lock flag O Unlocked 1 locked discrete read write L OLIM low limit value real read MODE mode item based read write 0 local manual 3 computer manual 1 local auto 4 computer auto 2 local cascade 5 computer cascade MODELOCK current mode locked 0 no 1 yes discrete read MSGRATE interface messages per second integer read NEXTFILE flag used to sequence through SOE capture files discrete read write NEXTHI next high limit real read NEXTLO next low limit real read NEXTREC flag used to sequence through SOE capture file records discrete read write OFLOW SOE overflow indication discrete read ONLINE flags the Bailey interface has been determined and is discrete read online OUTRANGE out of range 0 no 1 yes discrete read OVRC override control 0 no 1 yes discrete read OVRS override status O no 1 yes discrete read PERM1 permissive 1 discrete read 2 2 discrete read PNTALM SOE point alarm O no 1 yes discrete read SOE point date like 3 08 1997 message read PPNTNAME SOE point name like Point 1 message read PNTNUM SOE po
115. the desired capture file to the SOE FILE tag SOE FILE 1 2 3 50 Reads Writes the name of a file containing SOE capture data for the N90 SOELOG block at ring 1 node 2 module 3 block 50 from to a DDE message tag When a SOE event occurs N9ODDE gathers the data from the SOELOG block and stores it into the SOE capture file indicated by this tag The associated SOE EVENT DDE tag is then set to signal the client that a SOE event has occurred and the data is ready to be retrieved from the indicated file By definition file names are the date of capture followed by a two digit 01 99 sequence code The capture file types are STD SUM PRE POS or SNP which corresponds to standard summary pre fault post fault and snapshot type logs Consider the following examples 1 03089702 STD 2 02289701 SUM 3 03089701 PRE 4 03089701 POS 5 12259699 SNP Example 1 is the 2nd standard SOE log captured on March 8 1997 Example 2 is the 1st summary SOE log captured on February 28 1997 Example 3 is the 1st pre fault SOE log captured on March 8 1997 Example 4 is the 1st post fault SOE log captured on March 8 1997 And finally example 5 is the 99th 1994 2001 The RoviSys Company Document Revision 9 2 Page 60 RoviSys N90DDE Server snapshot SOE log captured on December 25 1996 Note that this naming convention supports up to 99 capture files xxxxxx01 STD xxxxxx99 STD for each given log type to be recorded p
116. the time expressed as seconds since 1 1 1970 of last update received from an AO L value at ring 2 node 249 module 31 block 9998 into a DDE integer tag AIL TIMETEXT 2 249 31 9998 Returns the time expressed as a text message like Mon Oct 26 08 00 00 1998 of last update received from an AO L value at ring 2 node 249 module 31 block 9998 into a DDE message tag AIL UPDATES 2 249 31 9998 Returns a running count of the total updates received from an AO L value at ring 2 node 249 module 31 block 9998 into a DDE integer tag 1994 2001 The RoviSys Company Document Revision 9 2 Page 36 RoviSys N90DDE Server 7 2 Analog Output Loop AOL The AOL item point type is used to send an exception reported output generated by the MMI into N90 Analog Input Loop blocks function code 26 and Analog Input Infinet blocks function code 121 The only supported value subscript is which is a DDE real read write type However the N9ODDE server will generate the appropriate quality and alarming status based on the value being generated by the MMI and definition of the tag item Since this item exports data to N90 it follows a different naming convention when defining it within a MMI tag Restrictions This item can be utilized with all N90 interface types except serial port module SPM and computer interface command series CIC Cautions Make sure the block number field is unique with respect to the other export item definitions and i
117. toolkit When used with RSView it supports the Rockwell Software advanced DDE data exchange mechanism and Wonderware fast DDE when used with InTouch This version may also be used with Intellution FIX 32 running in the Windows 95 98 NT environment For this configuration the Intellution DDE client driver must also be present and the normal DDE data exchange mechanism is utilized This document is intended for individuals who are familiar with the Bailey configuration principals in terms of how to enable system level exception reports An understanding of how to use the client DDE application is also required 2 Terms Throughout this document the RoviSys designed Command Series NETWORK 90 INFI 90 DDE server will be referenced as N9ODDE server or server The term N90 is defined to include Command Series NETWORK 90 and INFI 90 DDE is an acronym for Dynamic Data Exchange DDE is a communication protocol designed by Microsoft to allow applications in the Windows environment to send receive data and instructions to from each other This protocol is implemented as a client server relationship between two or more concurrently running applications In this relationship the server is the provider of data and accepts requests from all other applications called clients which are interested in its data Some applications like InTouch RSView and Microsoft Excel are designed to operate simultaneously as a client and server The N9ODDE
118. vision 9 2 integer discrete message discrete discrete discrete discrete message message integer discrete discrete message message discrete discrete integer integer message message integer discrete read read write read write read write read write read read read read read read read read read read read read write read read read read read write Page 59 RoviSys N90DDE Server Note the TYPEBLK must be configured and always active for the other items to function correctly Example usage s are SOE COUNT 1 2 3 50 Reads the total count of SOE points records stored in the SOE capture file indicated by the associated SOE FILE item for the N90 SOELOG block at ring 1 node 2 module 3 block 50 SOE EVENT 1 2 3 50 Reads Writes a flag associated with the N90 SOELOG block at ring 1 node 2 module 3 block 50 into a DDE discrete tag which is used to indicate a SOE event has been captured or request reading of the most recent or previous capture event file A value of zero flags the armed and waiting condition A value of one indicates SOE data has been captured and stored in the file indicated by the associated SOE FILE item After the SOE data is retrieved from that file the client must set this DDE tag to zero to re arm for the next capture When this tag is set the user may request the next oldest capture file by setting the associated SOE NEXTFILE tag or writing the name of
119. y block number for targeted activity integer integer integer integer discrete read write read write read write read write read write read block request flag of the addressed block read block output request flag of the addressed block read next block request flag from current addressed block tuning request flag for the addressed block with updated values ACKNAK result of last block request integer read block output value of last block output read request real read Q block output quality for the last output read request 0 discrete read good 1 bad FC function code number of the last block read FCNAME OKS 1 read write read write discrete discrete discrete read write integer read message read discrete read function code name of the last block read flags addressed block spec 1 is ok when 1 e e e e OKS 63 flags addressed block spec 63 is ok when 1 discrete read JUNABLES 1 flags addressed block spec 1 is tunable when 1 discrete read e e e e e e e e TUNABLES 63 flags addressed block spec 63 is tunable when 1 discrete read VALUES 1 value of addressed block spec 1 if spec is ok OKS 1 real read write e e e e e e e e VALUES 63 value of addressed block spec 63 if spec is ok OKS 63 real read write DESCS 1 description of addressed block spec 1 message read e e e e e e e e DESCS 63 description of addressed block spec 63 message read BLOCK RING Used to set the ring address th

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